You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am a movie actress, I have to meet a movie director for my trial shoot. Could you book my ticket from IAD to LAX?

ASSISTANT: Sure, do you prefer either economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: When you are planning to travel?

USER: My itinerary dates are Mar 4 and Mar 6.

ASSISTANT: Please share me your name.

USER: Katherine Adams here.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a connecting flight.

ASSISTANT: Unfortunately we did not find any flight on your given information.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.