You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Sarah Brown. I want to book a flight ticket to meet my cousin in Charlotte, so please help me in booking a flight ticket.

ASSISTANT: Sure. Please let me know your airport codes.

USER: My source is Boston, MA - BOS and destination code is NC - CLT.

ASSISTANT: Can you please provide your travel dates?

USER: I would like to fly on 03/24 and return on 03/26.

ASSISTANT: Do you have any other requirements?

USER: My price limit is 500. I need a single connection in between my journey.

ASSISTANT: Thanks for the details, there are no flights available on your dates.

USER: Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you.