You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Justin Martin.

ASSISTANT: How may I assist you?

USER: I am planning to travel from BOS to DEN to attend my sister's wedding anniversary, can you please help me with booking a flight ticket?

ASSISTANT: Could you please provide your travelling dates?

USER: Sure, my departure date is on 04/04 and the return date is on 04/06. Please make sure that the price limit should not exceed 200.

ASSISTANT: There is a flight available with price 100 and flight number is 1012, would you like to proceed with the booking?

USER: Yes, please.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome. Have a safe journey.