You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?\.

USER: Myself David Miller.

ASSISTANT: Sure, we are here to help you.

USER: I am looking for a flight from SFO to JFK, can you help me in booking the flight ticket from San Francisco?

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

USER: Sure, my planned travel dates are Aug 14 and Aug 16.

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

USER: Yes, I am looking for a connecting flight under 5000 price.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: We found direct flight with UA airline and number 1020 fare of 200. Shall I proceed for booking?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your expeditious service.

ASSISTANT: Thanks for approaching us.