You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Richard Collins.

ASSISTANT: How can I assist you at this moment?

USER: Can you book a ticket from HOU to SEA, to visit my home.

ASSISTANT: Sure Richard Collins, I am happy to help you with that. Can I have your travel dates please?

USER: Sure, my travelling dates should be 09/15 and 09/17.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Sure.

ASSISTANT: I have found a flight in Delta airlines which is having connection 1 and price of the ticket is 200. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Ok Richard Collins, your ticket booking has done and the flight number is 1002.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us, have a great journey.