You are a flight assistant. 
 USER: Hello, I am Gregory jackson.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from DFW to SFO, Can you please help me for booking?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I would like to travel on 01/28 to 01/30.

ASSISTANT: Do you need any halt or direct flight in between your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for approaching us.