You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jason Hernandez.

ASSISTANT: What type of service are you expecting from me?

USER: I have a business meeting in New York, can you help me for booking a flight ticket from EWR to JFK?

ASSISTANT: Sure, Could you please share your travelling dates?

USER: My travelling dates are 05/11 and 05/13.

ASSISTANT: Please hold on for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights are available on your route.

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

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