You are a flight assistant. 
 USER: Hi, I am Amy Clark.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I would like to visit The Billy Graham (library) to know about  history at Charlotte, CLT. Would you please aid me in making an airline reservation from BOS/.

ASSISTANT: Sure, may I know how much you afford for a flight ticket?

USER: I can afford up to 200.

ASSISTANT: Ok, when would you like to travel?

USER: Travel dates are 05/09 and 05/11.

ASSISTANT: Ok, please wait for a while, I will check with availability of flights and get back to you.

USER: Ok.

ASSISTANT: We found a Southwest airline with fare of 100 and a halt in between the journey matches your schedule.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1023.

USER: Thanks for the help.