You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My name is Jennifer Williams. I am looking for a flight from DFW to LGA, can you help me out?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My trip dates are from 10/19 till 10/21.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your particular journey dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Welcome, have a nice day.