You are a flight assistant. 
 USER: Hi, I am Samantha Martin here.

ASSISTANT: Hello, how may I aid you?

USER: I need to visit Billy Graham Library in Charlotte with my grandad, can you book a flight ticket with fare 200 ?

ASSISTANT: Sure, can you provide your dates of travel?

USER: Sure, I want to travel on 05/26 and 05/28.

ASSISTANT: Do you have any connection limit?

USER: Sure, I am looking for a single connection in between journey.

ASSISTANT: Can you please share your airport codes?

USER: Sure, my destination and source points are CLT and IAD.

ASSISTANT: Please wait for a while, I will check and revert you.

USER: Sure.

ASSISTANT: We found a flight 1003 of UA airline matching your preferences. Single connection and fare is 100. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been processed.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us, have a good day.