You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Cynthia Scott. I want to book a flight ticket from Boston, MA-BOS to New York, NY-EWR, can you help me with booking please?

ASSISTANT: Sure, can you share your journey dates?

USER: My travelling dates are 01/17 and 01/19.

ASSISTANT: Give me a minute.

USER:    Ok, take your time.

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

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the response.