You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Virginia Clark here. Please help me in ticket booking from MCO to BOS.

ASSISTANT: Sure, I will help you. Can you please provide me your travelling dates?

USER: My travelling dates are from 11/13 to 11/15.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: Sorry, there is no flights is found on your route.

USER: It's ok.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help.

ASSISTANT: Welcome.