You are a flight assistant. 
 USER: Hello, I am Michelle Smith.

ASSISTANT: Hello, how may I assist you?

USER: I am heading to DCA to participate in city tour. Can you book me a ticket from MSP?

ASSISTANT: Can you please share me your travel dates?

USER: I would start on 11/27 and return on 1/29.

ASSISTANT: Do you have any specification?

USER: Yes, I need a halt.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1011. Shall I book this ticket?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you so much for choosing us.