You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Matthew Walker. Can you please assist me to reserve a flight ticket from Philadelphia to Washington? Because I have to attend an event in Washington.

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

USER: Thank you. My planned dates of travelling are 09/19 and 09/21.

ASSISTANT: Ok Matthew Walker, please let me know airport codes of your journey locations.

USER: Ok, I want to start my journey from the airport PHL and landing airport is DCA.

ASSISTANT: Ok Walker, please wait a moment to check flight availability.

USER: Ok, take your time and I had a requirement related to number of connections in my journey that is 1.

ASSISTANT: I have found a flight in Delta airlines which is having connection 1 and the ticket fare is 100. Is it ok for you?

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

ASSISTANT: Ok Matthew Walker, your ticket booking has done and the flight number is 1027.

USER: Thank you for your help.

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

USER: You are most welcome.