You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to book a flight ticket to attend my brother's engagement in Charlotte, NC - CLT. Can you hold me a ticket with connecting flight?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT:  Let me know your source point and return date?

USER: I wish to fly from New York, NY - LGA. I intend to return on 12/26.

ASSISTANT: Kindly mention your price limit?

USER: My airfare is 500.

ASSISTANT: Can you provide me your departure date for booking?

USER: My departure is on 12/24.

ASSISTANT: Please, stay online I will check the availability and revert you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found UA airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Yes, you can.

ASSISTANT: To proceed further, May I know your good name please?

USER: I am Michael Evans.

ASSISTANT: Your ticket has been confirmed with airline number 1023.

USER: Thanks for your helping hand.

ASSISTANT: Thank you for choosing us. Have a safe journey!.