You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Young.

ASSISTANT: How may I guide you today?

USER: I want to book a ticket from IAH to DCA to attend seminar, can you help me in booking?

ASSISTANT: Sure, I will help you with your request. Can you please provide your planned dates of travelling?

USER: I am departing on 05/29 and return on 05/31.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Sure, take your time.

ASSISTANT: Based on your travel details, I have found a flight with a single connection with a fare of 200 from Frontier airlines. If you are ok with this, please inform me to book the flight.

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1003.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a great journey.