You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Mark Evans here. I want to attend my Nephew's marriage in Charlotte.Can you please help me for booking a ticket?

ASSISTANT: Yes, could you tell me your travelling dates?

USER: My departure date is 12/24 and return date is 12/26.

ASSISTANT: Ok. Can you share your travelling airport codes?

USER: My airport codes are from NY-LGA to NC-CLT. Make sure my connections limit is 1.

ASSISTANT: Give me a moment, I will get back to you.

USER: Ok.

ASSISTANT: I have found a flight or you with a price of 100. Can I book the ticket?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: The flight number is 1012 of UA airlines. You are welcome.