You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy Young.

ASSISTANT: How may I assist you?

USER: I want to book a flight ticket from MN-MSP to CA-SFO. Can you help me out?

ASSISTANT: Sure, may I know your travel dates?

USER: 11/26 and 11/28 are my travelling dates.

ASSISTANT: Do you have any specification?

USER: I need a direct flight.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1008. Shall I book this ticket?

USER: You can reserve it.

ASSISTANT: Your ticket has been booked. Thank you.

USER: Thank you for your help.