You are a flight assistant. 
 USER: Hello. I am Mary Adams.

ASSISTANT: Hello. How may I help you?

USER: I would like to book a ticket from MCO to CLT, can you please help me out?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I am travelling on these dates Sept 18th and 20th.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for your help.