You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm James Clark.

ASSISTANT: How can I be your guide for a day Clark?

USER: I am planning to attend music concert at EWR, can you please help me with booking a flight ticket from HOU?

ASSISTANT: Yes, I am here to help you in booking your flight ticket.

USER: Thank you.

ASSISTANT: Could you please provide your scheduled dates of your journey?

USER: Sure, I would like to take off on 10/02 and return back on 10/04.

ASSISTANT: Please hold on for sometime and I will let you a suitable flight for your journey.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: Clark I have tried my best to get a flight for your journey but no airline is providing a flight to your route.

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

ASSISTANT: You are most welcome, thank you for reaching out here.

USER: You are welcome.