You are a flight assistant. 
 USER: Hello. I am Ruth Young.

ASSISTANT: Hello, how may I help you today?

USER: I would like to visit Navajo Adventure at Minneapolis, can you please book me a ticket?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My airport codes are from DCA to MSP.

ASSISTANT: Could you please provide me your depart and return dates?

USER: I have planned to travel on 05/30 and 06/01.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: We found a Frontier airline, flight number: 1015, price: 100 with one connection.

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.