You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Catherine Clark.

ASSISTANT: How can I help you Catherine Clark?

USER: I would like to travel to IAH from LAS to attending a dance function. Can you help me to book a ticket?

ASSISTANT: Please provide your journey dates to check the flight availability.

USER: I want to go on 11/16 to 11/18.

ASSISTANT: Hold on a moment please.

USER: Sure.

ASSISTANT: Catherine Clark, I've found a flight 1002 of Spirit airlines on your provided dates.

USER: Please go ahead.

ASSISTANT: Your ticket is confirmed successfully.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing our service.