You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking a flight ticket from Houston, HOU to reach San Francisco, SFO?

ASSISTANT: Ok, please can I know your name to proceed?

USER: My name is James Miller.

ASSISTANT: Ok, please can I know your dates of journey to check for the flight availability?

USER: My journey dates are from Sept 26 to Sept 28.

ASSISTANT: Ok, please let me know if you have any preferred connection limits.

USER: I need a direct flight.

ASSISTANT: Ok, please provide  me your other intents.

USER: I don't have any other requirements.

ASSISTANT: Ok, please wait a moment I will check for the best flight.

USER: Sure.

ASSISTANT: Ok, thank you for waiting. Sorry as per the database there is no flight available on the route you desire.

USER: Ok, that's not a problem.

ASSISTANT: Thank you for availing our service.

USER: Thanks for your information.