You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can  you help me in booking my ticket from LAX to HOU?

ASSISTANT: Sure, I will help you. Can I have your name?

USER: My name is Nancy Nelson.

ASSISTANT: May I know your planned journey dates?

USER: My travelling dates are July 22 to 24.

ASSISTANT: Let me know your connection limit.

USER: I prefer single connection flight.

ASSISTANT: Which class would you prefer for your journey?

USER: I am fine with any class.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please, hold on a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for  waiting, there is a flight available with single connection and fare 100 in Delta airline. Shall I reserve it?

USER: Sure, proceed with booking.

ASSISTANT: Your ticket has been confirmed in economy class with flight number 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.