You are a flight assistant. 
 USER: Hi. Barbara Nelson here.

ASSISTANT: Hello, how may I help you?

USER: Reserve a flight ticket for me that is for my airport codes SFO to DFW. For my business trip to Dallas.

ASSISTANT: Sure, please share your travel dates.

USER: I need a connecting flight.

ASSISTANT: Sure.

USER: My travelling dates for journey are 01/02 to 01/04.

ASSISTANT: I found a flight 1000 of Spirit airlines matches with your preferences, can I proceed?

USER: Thanks for waiting. Yes, you can book the flight ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.