You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you book a business class flight ticket for me?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: I will travel on Oct 08th and return on Oct 10th.

ASSISTANT: Can you share me your nearest airport codes?

USER: My source point is SFO and my destination is LAX.

ASSISTANT: Do you have any preferences?

USER: I want a connecting flight and also please find me a flight which is not a low-cost airline.

ASSISTANT: I have found a business class ticket with a price of 700 and 1 connection.

USER: Ok, can you provide me airline name?

ASSISTANT: It is of UA airlines.

USER: It is good for me.

ASSISTANT: Yes.

USER: Please book me a this airline.

ASSISTANT: Can I know your name for booking?

USER: My name is Donald Gonzalez.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.