You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am looking for a flight from CLT to OAK, can you help me out?

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are from Nov 17th till Nov 19th.

ASSISTANT: Do you have any preference?

USER: I am comfortable with one stop over.

ASSISTANT: Is there any airline preference?

USER: No, I am ok with any airlines. Mostly, I prefer well know class airlines.

ASSISTANT: Do you have any class preference?

USER: Thanks for asking. I don't have.

ASSISTANT: Can I know your name?

USER: Myself Samantha Harris.

ASSISTANT: Found ticket with United airlines for price 100 having flight number 1022.

USER: Please proceed with it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.