You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Mary Smith. I am planning to book a ticket to meet my family at DEN. Can you please help me out to book a ticket from DEN?

ASSISTANT: Yes, can I know your travel dates?

USER: I would like to travel on 08/23 and return back on 08/25.

ASSISTANT: Give me a moment.

USER: Sure, I will wait.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Please proceed the booking.

ASSISTANT: Ok, your ticket is booked with Southwest airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.