You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy Lee.

ASSISTANT: Nancy Lee, how may I aid you?

USER: Can you help me in booking from SFO to DEN, as there is a business meeting to attend?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My trip dates are Jul 9 to Jul 11.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Southwest airlines with flight 1021 is providing service with a connecting flight and ticket costs you 200 in economy class.

USER: You can reserve it.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.