You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jeffery Wilson.

ASSISTANT: Jeffery Wilson. How can I help you?

USER: I would like to book a ticket from IAH to LAS, can you please help me out?

ASSISTANT: May I know your itinerary travel dates?

USER: I am travelling on these dates July 13th and 15th.

ASSISTANT: Do you have any class preferences?

USER: I prefer economy class.

ASSISTANT: Do you care for airline preferences?

USER: I don't have any airline preference.

ASSISTANT: Is there any time concern?

USER: I prefer departure time  in the afternoon.

ASSISTANT: Are there any other preferences?

USER: I prefer economy class.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT:  United Airlines with flight 1022 is providing service on your route, with single connection and price is 100 with depart time at afternoon 15:00 PM.

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your services.

ASSISTANT: Thank you for approaching us.