You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Jackson.

ASSISTANT: How can I assist you?

USER: I would like travel to EWR from MCO, can you help me to book a flight ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: I am travelling from Oct 9 to Oct 11.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.