You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Could you please tell me how can I assist you?

USER: I am Catherine Wright, can you help me to book a flight?

ASSISTANT: Ok, can you please tell me your flight details?

USER: I am planning a trip with my family for a vacation to LAS from PHL. My travelling dates are are 06/09 and 06/11.

ASSISTANT: Ok, can you please wait for a second.

USER: Sure.

ASSISTANT: As per your details, there is a flight for you with price 100 and flight number 1009.

USER: That's great, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Welcome.