You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to search a flight in the route San Francisco to Dallas & Fort Worth?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My planned travelling dates are July 10 and July 12.

ASSISTANT: Let me know your connection limit.

USER: I prefer to travel in a single connecting flight.

ASSISTANT: Please share your codes of the airport, where you want to travel and catch the flight?

USER: I want to catch the flight in the airport SFO and I need to reach DFW.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: May I know your name?

USER: My name is Betty Wilson.

ASSISTANT: We found an Delta airlines with single connection and flight number is 1018. Shall I proceed?

USER: Yes, you can proceed with the ticket reservation process.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you for your help in reserving the ticket.

ASSISTANT: Thank you for choosing us.