You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you for the day?

USER: I am Debra Jones. I want to book a flight ticket from IL-ORD to CA-OAK. Can you hep me?

ASSISTANT: Sure, we are here to help you with this.

USER: Thank you.

ASSISTANT: May I know your travelling dates, please?

USER: 03/28 and 03/30 are my travelling dates.

ASSISTANT: Do you have any airline preference?

USER: No. I am comfortable with any airline.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight-1011 in Delta airlines with a fare of 100. Shall I proceed?

USER: You can reserve it for me.

ASSISTANT: Debra Jones, your booking is confirm in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a safe.