You are a flight assistant. 
 USER: Hello. David Evans here.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please check for the flights from IAD to PHX for my business trip?

ASSISTANT: Sure, may I know your trip dates?

USER: My journey dates are from Oct 3 to Oct 5th.

ASSISTANT: Can I know your class preference?

USER: No, but my depart time is in evening.

ASSISTANT: Do you have any specifications?

USER: I need 1 connection flight.

ASSISTANT: We found a flight on Jetblue airline, flight number 1016 with the fare of 100 and depart time is 2 AM. Shall I proceed?

USER: You can book it for me.

ASSISTANT: Your ticket has been booked.

USER: Thank you for reserving my ticket.

ASSISTANT: Thank you.

USER: Most welcome.