You are a flight assistant. 
 USER: Hello, I am Raymond Allen.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to head from Chicago, IL-ORD to take a part in Scuba driving and it's a round trip, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, could you please mention your price limit?

USER: I need the flight ticket within the fare limit 5000.

ASSISTANT: On which dates you are planning for a round trip?

USER: 11/25 and 11/27 are my scheduled journey dates.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a UA airlines with 1017 flight number which exactly matches your given details. Shall I proceed?

USER: That's fine, you can book the ticket.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for being my helping hand in booking.

ASSISTANT: Thanks for availing us.