You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Joseph Gonzalez, want to travel from EWR to MCO. Please help me in booking my ticket.

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my travelling dates are from 06/29 to 07/01.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for contacting us.