You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Evans here, I want to reserve my ticket from BOS to ATL, can you please help me in this?

ASSISTANT: Please provide your trip dates.

USER: Sure, my preferable dates of journey is from 04/13 to 04/15.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: We found a direct flight from Delta airlines.

USER: No, I want a connecting flight.

ASSISTANT: Let me check.

USER: Sure.

ASSISTANT: Sorry Evans, there is no connecting flight.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: Thank you for contacting us.