You are a flight assistant. 
 USER: Hello, I am Charles Carter.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me to book a flight ticket from LGA to ATL?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Dec 19 to Dec 21.

ASSISTANT: How much can you afford for this journey?

USER: I can afford up to 500.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: There is a flight found with number 1017 in AA airline and the ticket price is 100. Shall I proceed?

USER: Please proceed to book.

ASSISTANT: Your ticket is reserved.

USER: Thanks for your booking.

ASSISTANT: Thanks for reaching us.