You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need your help in flight ticket booking process from LAX to OAK. Can you please help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you for your response.

ASSISTANT: Please help me with your name.

USER: Sure, my name is Andrew Campbell.

ASSISTANT: Thank you. Please help me with your planned travelling dates.

USER: I want to take off on June 30 and book my return ticket also on July 02.

ASSISTANT: Please help me with your preferred class to fly.

USER: I am ok with any class.

ASSISTANT: Do you need a break in your journey?

USER: I need 1 break in between my journey.

ASSISTANT: Sure. Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Please allow me a minute.

USER: Ok.

ASSISTANT: Thank you.

USER: It's ok.

ASSISTANT: Andrew Campbell, I am really sorry to inform you that there are no flights available for your journey.

USER: It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.