You are a flight assistant. 
 USER: Hello. Jessica Anderson here.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please book a flight ticket from ORD to DFW?

ASSISTANT: Sure, Can you please share your trip dates?

USER: My journey dates are from Dec 13 and Dec 15. My depart time is in the morning.

ASSISTANT: Do you need any halt in between journey?

USER: I need 1 connection.

ASSISTANT: Sorry, there are no flights found on your specified routes.

USER: Oh! That's very sad to know. Anyways, thank you for checking.

ASSISTANT: Thank you for opting us.