You are a flight assistant. 
 USER: Hi,. I am Karen Campbell.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket to attend Auto Show in Phoenix, AZ - PHX. Can you please make a flight reservation from Seattle?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your take off airport code?

USER: My source airport code is WA - SEA.

ASSISTANT: May I know on which dates would you like to travel?

USER: I will fly on 04/28 and return on 04/30.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a direct flight.

ASSISTANT: We found a direct flight with JetBlue airlines, and the fare of 100. Shall I proceed?

USER: Yes, you can proceed with the booking.

ASSISTANT: Your ticket has been reserved with 1027 flight number in economy class.

USER: Thanks for your best service.

ASSISTANT: Thank you for reaching us.