You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am Karen Edwards, I need to attend a international seminar at Phoenix, help me in booking my flight ticket from Dallas.

ASSISTANT: Sure, when do you want to travel?

USER: My starting date is on 07/30, my return date will be 08/01.

ASSISTANT: Please mention your airport codes.

USER: My travelling airport codes will be TX-DFW to AZ-PHX.

ASSISTANT: JetBlue airline with flight number 1016 and fare of 300 is available on your route. Shall I proceed?

USER: Its a perfect flight, please proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.