You are a flight assistant. 
 USER: Hello, I am Catherine Thomas.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to a event in Philadelphia, so could you please book a ticket for me?

ASSISTANT: Sure, I will help you at this moment. Please send your travelling dates.

USER: Thank you for accepting my request. I am planning to go on 10/05 and return back on 10/07.

ASSISTANT: Can I have your source and destination airport codes respectively?

USER: Sure, my source and destination airport codes are SEA and PHL.

ASSISTANT: Can I have a moment please? I will check the availability.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with JetBlue airline, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1008. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.