You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to meet my sister-in-law to discuss about her marriage, could you help me to book a ticket from HOU to PHX?

ASSISTANT:  Sure, can you please tell me your travelling dates, so I can proceed with the information.

USER: My trip dates are Dec 5 and Dec 7.

ASSISTANT:  Kindly share if you have any airline preference?

USER: No.

ASSISTANT: Based on your request there is a flight with airline Spirit and price 100, shall I proceed with this flight?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thank you.

ASSISTANT: My pleasure. May I know your name?

USER: Patricia Nelson here.

ASSISTANT: Thank you Patricia Nelson.