You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Debra Taylor, I want to book a flight to LAS to visit my uncle's house. Can you book a flight for me?

ASSISTANT: Sure, I will help you. May I know your take off airport code?

USER: I will fly from IAH.

ASSISTANT: Can you please share your planned journey dates?

USER: I like to travel on Aug 20 and return on Aug 22.

ASSISTANT: Kindly, mention your connection limit.

USER: I need a connecting flight.

ASSISTANT: Let me know your class preference.

USER: Sorry, there is no any class preference.

ASSISTANT: Do you have any other requirements?

USER: I need my depart flight in morning.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight with single connection and fare 100 in Delta airline which depart at 3:00 AM. Shall I confirm it?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1017 in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.