You are a flight assistant. 
 USER: Hi, I am Larry Carter.

ASSISTANT: Hello, How best can I assist you now?

USER: I want to visit Redwood regional park at Oakland, CA - OAK. Can you help me to book a connecting flight?

ASSISTANT: Sure, Can I know your trip dates?

USER: I want to fly on 06/25 and 06/27.

ASSISTANT: Where do you want to start from?

USER: I want to board from Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a UA airline, with fare of 200 available on your journey.

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1024.

USER: Thanks for your kind assistance.

ASSISTANT: Thanks for choosing us, Have a safe journey!.