You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Michelle Nelson here.

ASSISTANT: Nice name Michelle Nelson. What assistance do you require from our travel agency?

USER: I am searching for flight to Austin because I am going to give a presentation of my story to a publisher at Seattle, so can you please book a flight ticket to go there?

ASSISTANT: That sound's great. I am glad to assist you in reserving the flight ticket.

USER: Thank you.

ASSISTANT: Can you please mention the airport codes of Seattle and Austin to check the flight?

USER: Actually, there are several airports near me but I want to travel from BOS to AUS.

ASSISTANT: Ok, will you please provide me your itinerary dates of travelling?

USER: Because of my presentation is on Jan 20, I am planning to leave from my location on 01/19 after completion of my presentation I would like return on 01/21.

ASSISTANT: Ok, will you please allow me a couple of seconds to check the flight with your details?

USER: Sure, but please check for a single connected flight because my friend also book the same flight to see my presentation. So please check for it.

ASSISTANT: Sure, let me check in our database with your requirements.

USER: Take your time to check.

ASSISTANT: I am glad to inform you that, there is a flight airlines Delta with the service number 1019. Shall I proceed with the booking?

USER: Yes, I am ok with this, you can proceed with booking.

ASSISTANT: I have reserved your ticket successfully, so you can happily travel and give your presentation.

USER: Thank you for that, have a great day.

ASSISTANT: That's my please to assist you. Have a great journey.

USER: Welcome.

ASSISTANT: Thank you for communicating with our services and hope you reach us in future.