You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Lewis.

ASSISTANT: How may I help you today?

USER: I want to visit New York to meet my friends, can you please help me to book a flight ticket from SFO to JFK?

ASSISTANT: Sure, I am here to help you with that, Can I know your travelling dates?

USER: Sure, my travel dates are from 09/21 to 09/23.

ASSISTANT: OK, please wait for a minute.

USER: Ok, I will wait for your response.

ASSISTANT: The UA airlines providing a flight having a connection limit 1 and the ticket fare 100. Can I proceed with the booking?

USER: That's perfectly fine for me to travel, please book for that flight.

ASSISTANT: Your ticket is reserved with the flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.