You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Helen Roberts. Can you please book a ticket for me as I am planning to go for The Metropolitian museum at New York, JFK?

ASSISTANT: Ok, may I know your start and return dates?

USER: Journey dates are 06/25 to 06/27.

ASSISTANT: From where you would like to fly?

USER: Source code is Oakland, OAK.

ASSISTANT: 1010 numbered plane in Frontier airline is available with a fare of 100.

USER: You can proceed.

ASSISTANT: Ok, your booking has been successful.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.