You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Sarah Taylor from Seattle. Could you help me in booking a flight ticket from Seattle to Minneapolis & St. Paul on 11/27?

ASSISTANT: Sure, we are willing to help you. May I know your source point?

USER: My source airport code is WA - SEA.

ASSISTANT: Ok, do you need a return ticket?

USER: Yes, I need a return ticket on 11/29.

ASSISTANT: Ok, please help me with the airport code of Minneapolis & St. Paul.

USER: Minneapolis & St. Paul airport code is MN - MSP.

ASSISTANT: How much can you spend for this reservation?

USER: I can spend up to 5000.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thank you for being on hold, we found a connecting flight in economy class with price 100 from Frontier airline. Shall I proceed with flight 1028?

USER: You can proceed to booking.

ASSISTANT: Your booking has been done successfully.

USER: Thank you.

ASSISTANT: Thank you for availing us.