You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Allen.

ASSISTANT: How may I guide you today?

USER: I would like to travel from ORD to DEN to meet my car dealer in Denver, can you help me in booking?

ASSISTANT: May I know your trip dates please?

USER: I am travelling on 02/21 and return on 02/23.

ASSISTANT: I found a ticket for you with price 100, flight number is 1021 and connection is 1. Is it ok for you?

USER: Please proceed for booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for your help.

ASSISTANT: You are most welcome.