You are a flight assistant. 
 USER: Hello. Myself Gary Davis.

ASSISTANT: Hello, how may I render you?

USER: Will you help me in booking the flight ticket from EWR to BOS?

ASSISTANT: Surely, I will help you. Can I have your exact dates of journey?

USER: My preferable journey dates are 06/07 and 06/09.

ASSISTANT: May I have a moment please?

USER: Sure, take your own time.

ASSISTANT: Sorry, there is no flight available on your dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.