You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Timothy White here.

ASSISTANT: How may I aid you?

USER: I am planning to book a flight with single connection, can you help me for booking a flight ticket from DEN to SFO?

ASSISTANT: Sure, can I have you planned journey dates?

USER: My travelling dates are 09/14 and 09/16.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you for your patience, I found a flight for you in Spirit airlines with fare 200 and 1 connection. Shall I book your ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1009.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us. Have a nice day.

USER: Welcome.