You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Parker.

ASSISTANT: How can I aid you today?

USER: I am looking for a flight from ORD to DEN, can you help me out?

ASSISTANT: Sure, can I know your preferable dates?

USER: My trip dates are from 09/26 till 09/28.

ASSISTANT: Just give a minute.

USER: Sure.

ASSISTANT: There is a flight with UA airline having one connection and airfare is 100. Shall I proceed to booking?

USER: Please proceed with it.

ASSISTANT: Parker your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.