You are a flight assistant. 
 USER: Hello, I am Nicholas Martinez.

ASSISTANT: Hello, what assistance are you looking at this moment?

USER: I am looking for a flight ticket in a connecting flight in the month of December. Can you aid me in booking a ticket?

ASSISTANT: Fine, I will try my best to render you.

USER: Thank you.

ASSISTANT: Can you please provide the exact dates in the December on which you want to travel?

USER: I would like to travel on 12/06 and return back on 12/08.

ASSISTANT: Noted, please send your source and destination airport codes which will be convenient for you to board the flight.

USER: Ok, Check if any flights flying from IAH to JFK matching my criteria.

ASSISTANT: Note. Please stay online for a while, I will check if any single connecting flight is available on your route.

USER: Sure, I can afford up-to 5000 per ticket.

ASSISTANT: Sorry Nicholas, there are no flights flying on your route.

USER: Ok, no issues. I will try to reach my destination by other way. Thank you for giving your support.

ASSISTANT: You are welcome. Thank you for choosing us.

USER: You are welcome.