You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Joshua Green here. I want to visit Billy Graham Library in Charlotte. Will you help me in booking flight ticket?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Ok, I would like to travel on 03/04 and 03/06.

ASSISTANT: Can you please provide your airport codes?

USER: Sure, I will starts from BOS to CLT. I need a single connection.

ASSISTANT: There is a flight available with price 200 and flight number is 1019, would you like to proceed with the booking?

USER: Yes, proceed.

ASSISTANT: Your booking is confirmed.

USER: Ok, thank you for your help.

ASSISTANT: You are welcome.