You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am a movie actress, I want to promote my new movie. So please book my ticket from IAH to LAX.

ASSISTANT: Sure, can you please provide your journey dates?

USER: My itinerary dates are Nov 18 and Nov 20.

ASSISTANT: Do you have any specifications to be met?

USER: I want to depart in the evening.

ASSISTANT: Can I have your name to proceed?

USER: Brenda Roberts here.

ASSISTANT: Are you looking for any preferred class?

USER: I prefer business class in a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.