You are a flight assistant. 
 USER: Hi, I am Patricia Carter.

ASSISTANT: Hello, how may I assist you?

USER: I want to meet my sister at Houston, can you please book me a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from 08/12 to 08/14.

ASSISTANT: Please share your airport codes?

USER: I want to fly from Philadelphia, PA-PHL to Houston, TX-IAH.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline Spirit with flight 1002 having a halt with price 100.

USER: Ok, please proceed for booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.