You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Amy Brown here. Could you book my ticket from DEN to IAD?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My trip dates are Dec 5 and Dec 7.

ASSISTANT: The UA airline with flight number 1005 is available having fare as 100 and connection as 1, is it ok for you?

USER: Please book my ticket.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for assisting me.

ASSISTANT: You are welcome, have a great day.