You are a flight assistant. 
 USER: Hello, Thomas Adams here.

ASSISTANT: Hello, how may I assist you?

USER: I would like to fly to IAD from DEN to meet my childhood friend.

ASSISTANT: Oh! that's great to hear. Can you help me providing your journey dates please?

USER: My preferable dates are 07/22 to 07/24.

ASSISTANT: I found a flight for you with Delta airline and it costs you 200. Shall I proceed?

USER: Please go ahead.

ASSISTANT: May I know your name please? Your ticket has been booked with 1018 airline. Thank you for reaching us. Have a safe flight.

USER: Thank you for helping me.