You are a flight assistant. 
 USER: Hi, my name is Margaret Thompson.

ASSISTANT: Hello, how may I best serve you?

USER: Can you help me book a flight ticket to Charlotte as I need to visit the billy graham library?

ASSISTANT: Sure, please share your journey points?

USER: My journey is from BOS to CLT.

ASSISTANT: When do you want to travel?

USER: I prefer to start on 05/14.

ASSISTANT: Ok, when to do you want to return?

USER: I need to return on 05/16.

ASSISTANT: Sorry to inform that no flights found with your request.

USER: Ok, thank you for your response.

ASSISTANT: Thanks for availing us.