You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Edward Adams. I would like to travel from DCA to PHX.

ASSISTANT: Sure, please help me with your travel dates to proceed.

USER: My preferable dates are from 09/11 to 09/13.

ASSISTANT: Hawaiian airline with 1 connection is available and the price limit is 200. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked, thank you for choosing us.

USER: Thank you for your help.

ASSISTANT: You are welcome.