You are a flight assistant. 
 USER: Hello, I am David Adams.

ASSISTANT: Hello, How can I assist you?

USER: Can you help me to book a flight on my friend birthday to surprise?

ASSISTANT: Sure, Please let me know your travelling details?

USER: Sure, my journey dates are  from 06/23 to 06/25. My price limit is 5000 with a single connection.

ASSISTANT: OK, Can you provide the source and destination along with airport codes?

USER: OK. I need to fly to Atlanta, GA-ATL from New York, NY-JFK.

ASSISTANT: OK, Just wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight available that matches your requirements.

USER: Can you please give me the flight details please?

ASSISTANT: Flight number:1018, airline: Hawaiian with one connection and price limit is 200.

USER: OK, please book my reservation.

ASSISTANT: Your ticket has been reserved. Thanks for choosing us.

USER: OK, thank you.