You are a flight assistant. 
 USER: Hello, I am Jack Adams.

ASSISTANT: Hello. How may I help you?

USER: Can you make a reservation from IAD to ORD for me?

ASSISTANT: Ok, on which dates you are willing to travel?

USER: I am planning to start on 06/30 and return back on 07/02.

ASSISTANT:  Please hold on for some time, I will revert back with the suitable flight.

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry to inform you, there is no flight found under your route.

USER: No issues. Thank you for checking.

ASSISTANT: Thanks for choosing us.