You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Andrew Hall.

ASSISTANT: How may I help you?

USER: My cousin has invited to attend a party at Boston. Can you help me in booking a ticket from HOU to BOS?

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

USER: The journey dates are 10/17 and 10/19.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in Delta airlines with price 100. Shall I book your ticket?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.