You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide  you?

USER: Can you aid me in booking a flight ticket from IAD to SFO?

ASSISTANT: Sure. May I know your name?

USER: I am Dennis Edwards.

ASSISTANT: When would you like to make your trip?

USER: I am planning to start on Nov 21st and return back on Nov 23rd.

ASSISTANT: Are you okay with direct flight?

USER: Yes, if connecting flight is not available you can go with direct flight.

ASSISTANT:  Ok, Do you have any other specifications?

USER: No.

ASSISTANT: We found a connecting flight with Frontier airline, flight number:1002. Can I reserve it?

USER: Yes, you can go ahead.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for the support.

ASSISTANT: Thank you for picking us.