You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book a flight ticket with normal cost airline as my meeting purpose.

ASSISTANT: Sure, I am here to help you.

USER: Thank you for aiding me.

ASSISTANT: When you are willing to travel?

USER: I have planned to travel on Oct 02nd and return on Oct 04th.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Do you have any connection limit? Do you have any other specifications?

USER: I prefer connecting flight.

ASSISTANT: Can you help me with your airport codes?

USER: I would like to travel from BOS to LAX.

ASSISTANT: Do you have any time preference?

USER: Please search normal cost airlines.

ASSISTANT: May I know your good name?

USER: My name is William Harris.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.