You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Could you please help me to book a flight ticket from Houston to watch a movie in Warner theatre at Las Vegas ?

ASSISTANT: Sure. On what dates you want me to make the reservation?

USER: I intend to depart on Apr 23rd and I'll return within two days that is on Apr 25th.

ASSISTANT: Please share me your airport codes.

USER: I want to fly from IAH and my landing airport code is LAS.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: I would like to fly with the normal cost airline.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: I am Karen Moore.

ASSISTANT: We found a connecting flight with an Delta airline, flight number:1013. Can I reserve it?

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your assistance in booking.