You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kathleen White.

ASSISTANT: How can I help you today?

USER: I would like to attend my sister birthday at Houston, can you please help me to book a flight ticket from LAS to IAH?

ASSISTANT: Please share your travelling dates.

USER: Sure, my journey dates are Feb 29 and Mar 02.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your depart and arrival timings?

USER: My return time is morning.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a connecting flight in economy class with UA airlines and ticket fare of 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved with flight 1010.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.