You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Margaret Adams. I am planning to travel from MCO to LAS, help me in booking a flight?

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

USER: My travelling dates are 09/11 to 09/13.

ASSISTANT: Sorry, there are no flights found.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.