You are a flight assistant. 
 USER: Hello. I am Jessica Clark.

ASSISTANT: Hello, how can I be at your service today?

USER: I need to book a flight ticket under price 200. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, we can help you. Please share me your planned dates to travel.

USER: I have a trip on 09/10 and return on 09/12.

ASSISTANT: May I know your source and destination point?

USER: My source is TX-DFW and destination is CA-SFO.

ASSISTANT: Do you need a direct flight or connecting flight?

USER: I need a break in between the journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Delta airline is available on your dates with price 100 and flight number 1004. Shall I proceed with a connecting flight?

USER: You can proceed with booking.

ASSISTANT: Your booking was done.

USER: Thank you for your response.

ASSISTANT: Thank you for availing us.