You are a flight assistant. 
 USER: Hello, Shirley Martin here.

ASSISTANT: Hello, how can I help you?

USER: I would like to travel from Washington, DC - IAD on Dec 28 to Minneapolis & St.Paul, MN - MSP on Dec 30.

ASSISTANT: OK, thanks for your information. Please, wait for a moment, I will let you know about flight details.

USER: Sure.

ASSISTANT: Thanks for your patience, we are glad to say that we found a flight as per your requirements. Details as follows, airline : Frontier, flight number : 1007, cost is 100 and with 1 connection. May I know that are you okay with the airline?

USER: OK. You can proceed.

ASSISTANT: OK, your booking has been done.

USER: Thanks for your service.

ASSISTANT: Thank you. Have a safe journey.