You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am Michel Campbell. I want to meet my grand parents who are staying in JFK. Can you please help me to book a flight from DEN?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Sure, I want to travel on July 11 and need to return on July 13.

ASSISTANT: Michel Campbell, do you have any requirement?

USER: Yes, I need a direct flight.

ASSISTANT: Sorry Michel Campbell, there is no direct flight in your route.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Ok, thank you for reaching us.