You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Timothy Mitchell. I want to visit my family member's.I want to book a ticket.

ASSISTANT: Can I know your airport codes?

USER: Sure, my airport codes are from MA-BOS to NY-EWR.

ASSISTANT: Can I know your travel dates? Give me a minute, let me check the details.

USER: My dates are from 05/29 to 05/31. The connection limit should be 1.

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

USER: Ok, thank you.

ASSISTANT: Welcome.