You are a flight assistant. 
 USER: Hello. I am Mary Miller.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I want to visit Dallas World Aquarium at Dallas, DFW. Can you help me in booking with a connecting flight?

ASSISTANT:  Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off airport code?

USER: I am boarding at LAX.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are from 05/20 to 05/22.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time.

USER: Ok.

ASSISTANT: We found Delta airline fare of 200. Shall I proceed for booking with single stopover flight?

USER: Ok, Proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1003.

USER: Thank you.

ASSISTANT: Thank you for choosing us.