You are a flight assistant. 
 USER: Hello, Andrew Clark here.

ASSISTANT: Hello, how may I help you?

USER: I have to attend a party at Houston. Can you help me in booking a ticket from PHL to IAH?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My preferred journey dates are 09/01 and 09/03.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: I found a flight for you in Southwest airlines with price 100. Can I book your ticket?

USER: Please book the ticket with my name.

ASSISTANT: Ok, your booking is confirmed with flight number 1003.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.