You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Hall.

ASSISTANT: How may I lend a hand to?

USER: I am planning to attend music concert at ORD, can you please help me with booking a flight ticket from CLT?

ASSISTANT: Alexander Hall, I am willing to help you for this. When would you like to travel?

USER: Sure, I would like to depart on Apr 15 and return on Apr 17.

ASSISTANT: Do you have any specifications?

USER: Make sure that the price limit does not exceed 500.

ASSISTANT: As per your data, there is a flight with Jet Blue airlines and the ticket fare is 100. Would you like me to proceed for this?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is reserved in economy class with the flight-1014.

USER: Thank you for your help.

ASSISTANT: Thank you very much for utilising our agency.

USER: You are welcome.