You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a economy class flight for my holiday trip to Houston. So can you book a flight ticket for me?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: The trip dates would be from Mar 20 to Mar 22.

ASSISTANT: Can you please share your airport codes?

USER: My airport codes are from PHL to HOU.

ASSISTANT: May I know your name please for documentation purpose?

USER: I am Jonathan King.

ASSISTANT: Can you please share your airline preferences?

USER: No more preferences. You can search for the flight.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Hawaiian airlines is providing connecting flight for you in economy class with the fare of 200, shall I proceed with the booking?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your ticket is booked with the flight-1001.

USER: Thank you.

ASSISTANT: Thank you for choosing us.