You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Jackson.

ASSISTANT: How can I assist you?

USER: I want to attend a meeting in Chicago. Can you book a ticket from LAX to ORD?

ASSISTANT: Sure, I will help you in ticket booking. On what dates that you are planning your trip?

USER: I want to travel on 07/22 and 07/24.

ASSISTANT: Please give me a moment to check for the flight and I will let you know the flight details.

USER: Sure, take your time.

ASSISTANT: With your request, when I checked in my data region there is no flight obtained in your route to book the ticket.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: It's my pleasure.