You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Could you please make a reservation to Oakland with the name Barbara Thompson ?

ASSISTANT: Sure, may I know your airport codes?

USER: The airport codes are DEN-OAK.

ASSISTANT: Do you have a limitations of price and connection?

USER: My price limit is 1000 with one connection.

ASSISTANT: Can you please provide your dates of journey?

USER: I want to fly out on 11/22 and return on 11/24.

ASSISTANT: Ok, let me check the flight details and get back to you.

USER: Sure.

ASSISTANT: We are glad to say that an airline Frontier with flight number 1004 is suitable with your given details.

USER: Ok, confirm my booking with this flight.

ASSISTANT: Price 200 and a single connection. Your booking has been reserved.

USER:  Thank you for your help in booking a flight ticket.

ASSISTANT: Thank you for approaching us, have a safe journey.