You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Please help me out in booking the ticket from IAD to HOU.

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

USER: My trip dates will be Oct 26 to Oct 28.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: Do you have any time concern?

USER: No time concern.

ASSISTANT: Do you need any airline preference?

USER: I want to fly in major airlines.

ASSISTANT: May I know your connection limit?

USER: I want a connected flight.

ASSISTANT: Can I know your name please?

USER: Kathleen Collins is my name.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 100 and depart time is 5:00 hours, arrival time is 0:00 hours, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1001 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.