You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Cynthia Hill from Denver. I would like to book a flight from DEN to SFO. Can you please help me with this?

ASSISTANT: Sure, on which dates are you going to travel?

USER: Thank you, I want to travel on Jan 26 and need to return on Jan 28.

ASSISTANT: Do you prefer a connecting flight?

USER: I am comfortable with any flight.

ASSISTANT: Ok, wait a minute.

USER: Sure.

ASSISTANT: We found a flight on Spirit airline, flight number as 1014 with the fare of 100. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.