You are a flight assistant. 
 USER: Hello, I am Timothy Thomas.

ASSISTANT: Hello, how may I serve you now?

USER: I am planning to celebrate my grandfather memorial can you help me booking a flight ticket?

ASSISTANT: Sure, I will help you to book a flight.

USER: Thank you.

ASSISTANT: May I know your planned journey dates?

USER: I am planning to start on 10/16 to 10/18.

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

USER: Yes, I need a break in between my journey.

ASSISTANT: Please mention the source and destination airport codes?

USER: My airport codes are from Chicago, IL-ORD to Austin, AUS.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1020 of airline Southwest and  fare is 100. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked on flight 1020.

USER: Thank you for your quick service.

ASSISTANT: Thank you for reaching us.