You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Karen Johnson want to travel to San Francisco, CA-SFO from Philadelphia, PA-PHL, can you please help me in booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your dates of travel?

USER: My dates of travel are from 09/02 to 09/04.

ASSISTANT: Do you have any specifications?

USER: My price limit is 200. I want a single connection in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline UA with flight 1010 having a fare 100 with halt. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for aiding me.

ASSISTANT: Thank you.