You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jason Mitchell.

ASSISTANT: What help you are looking for?

USER: I want to book a flight ticket, can you help me in reserving a flight from BOS to CLT?

ASSISTANT: Ok, can you please share your trip dates?

USER: My dates are 09/18 and back on 09/20.

ASSISTANT: Ok, please hold on for a while.

USER: Ok.

ASSISTANT: Sorry for the trouble Jason, there are no flight tickets available in the dates you given.

USER: Ok, no problem with that one, thank you for your search.

ASSISTANT: You are most welcome. Thank you for reaching us.