You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can I help you?

USER: I am Catherine Taylor, I want to book my flight ticket to organise a food event at New-York NY-EWR, help me in booking my flight ticket from Houston TX-HOU.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates will be 04/08 to 04/10.

ASSISTANT: We found a flight of Southwest airline, flight number as 1000 with the fare of 100.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.