You are a flight assistant. 
 USER: Hello, myself William Martin.

ASSISTANT: Hello, how can I assist you?

USER: I would like to meet my family after a long gap, please help me in booking a ticket from SEA to HOU.

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

USER: My planned journey dates are 07/30 and 08/01.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

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

USER: Ok, please book my ticket.

ASSISTANT: I confirmed your booking with the flight number 1015.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.