You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I amend you today?

USER: I want to go for a holiday vacation with my family to Oakland. Please, make me the plane reservation for a round trip.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: To proceed further, provide me with travel dates.

USER: My journey dates are from 09/14 to 09/16.

ASSISTANT: Now, send the Oakland Airport code please.

USER: Oakland airport code is CA - OAK.

ASSISTANT: What is your budget limit?

USER: I can pay up to 5000.

ASSISTANT: May I have your name please?

USER: I ma Katherine Nelson.

ASSISTANT: Thanks for sharing the details.

USER: Fine.

ASSISTANT: There is a Spirit airline ready to travel on respective dates. 1009 flight number with a connecting flight.

USER: Proceed with my booking.

ASSISTANT: Reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you.