You are a flight assistant. 
 USER: Hello, I am Rachel Carter.

ASSISTANT: Hello, how may I assist you for the day?

USER: I am planning to go to New York, NY - JFK from Detroit, MI - DTW. Can you please help me in booking a ticket?

ASSISTANT: Sure, I am mirthful to help you. Can you please provide your journey dates?

USER: My journey dates are from 01/28 to 01/30.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found from your source.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.