You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Green.

ASSISTANT: How may I help you today?

USER: I want to attend for a technical fest in LAS. Can you please book a flight from ORD?

ASSISTANT: Sure, let me know your travel dates please?

USER: Sure, I want to travel on Dec 24 and need to return on Dec 26.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: Yes, my depart time should be on morning.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: Sure, I am looking for a flight with single connection.

ASSISTANT: Do you have any airline preference?

USER: No, I am comfortable with any airline.

ASSISTANT: Southwest airlines is providing connecting flight with the ticket fare of 300 and depart time is 05:00 AM, arrival time is 10:00 AM. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1006 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for approaching us.