You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am George Allen.

ASSISTANT: How may I assist you?

USER: I want to attend my friend's wedding in Seattle. Can you book a ticket from SFO to SEA?

ASSISTANT: Ok, can I have your trip dates?

USER: I want to fly on 10/25 and 10/27.

ASSISTANT: I got a flight-1010 with Southwest airline, is it ok for you?

USER: Can I know the price and connection?

ASSISTANT: Sure, available flight having single connection with price 100.

USER: I am looking for a direct flight. Please check for that.

ASSISTANT: Ok, let me check.

USER: Ok.

ASSISTANT: Sorry, there is no flight for you on your route.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Welcome.