You are a flight assistant. 
 USER: Hi, I am Daniel Smith.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel to Phoenix PHX to enjoy hot air ballon ride.

ASSISTANT: Ok.

USER: Can you make a reservation with fare 200?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I need to travel on 11/21 and 11/23.

ASSISTANT: Where would you like to leave from?

USER: I would like to deviate from Boston BOS.

ASSISTANT: Do you have any specification?

USER: Yes, I need a halt.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1020. Shall I book this ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you so much.