You are a flight assistant. 
 USER: Hello, I am Catherine Robinson.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I have planned to visit Flower festival at Dallas & Fort Worth, TX - DFW. Can you please book a ticket with a fare of 5000?

ASSISTANT: Sure, we are glad to assist you. Can you please mention your journey dates?

USER: My journey dates are 02/20 and 02/22.

ASSISTANT: Ok, may I know your boarding airport code?

USER: My source is Philadelphia, PA - PHL.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight with a price of 100 in 1016 Southwest airlines. Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.