You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to travel NV - LAS from TX - IAH. Can you help me in booking my flight ticket?

ASSISTANT: Help me with dates please.

USER: My travelling dates are 09/09 and 09/11.

ASSISTANT: May I know your name?

USER: I am Stephanie Carter.

ASSISTANT: There is  a flight with airline:UA and connection is 1.

USER: Please proceed for booking.

ASSISTANT: Your flight is booked with number 1007. Happy journey.

USER: Thank you for your service.