You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to go for DFW, Can you please help me in booking my flight ticket?

ASSISTANT: Sure, may I know your source airport code please?

USER: My source code is DEN.

ASSISTANT: Can you please provide me your preferable journey dates?

USER: My preferable dates are 01/28 and 01/30.

ASSISTANT: Can I have your good name please?

USER: My name is Brenda Thomas.

ASSISTANT: Hawaiian airlines is having a flight with travel charge of 200, shall I proceed for booking?

USER: Ok, fine. Please proceed.

ASSISTANT: Your ticket has been booked with flight-1017, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.