You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from LAX to IAH.

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: Travelling dates are Aug, 21 and Aug, 23.

ASSISTANT: Is there any connection limit for you?

USER: I would be comfortable with single stop over.

ASSISTANT: Please let me know if you have any other specifications.

USER: I prefer economy class.

ASSISTANT: Can I know your good name?

USER: My name is David Smith.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please book a ticket.

ASSISTANT: Your booking is confirmed and the flight number is 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching us.