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

ASSISTANT: Hello, how can I help you?

USER: I want to visit Fort Worth botanical garden at Dallas & Fort Worth, Can you help me with the process of booking?

ASSISTANT: Sure, can you provide me your travelling dates?

USER: I want to travel on 12/21 and 12/23.

ASSISTANT: OK, provide me your airport codes?

USER: My source is at LAS and destination is at DFW.

ASSISTANT: OK, please wait a minute.

USER: I need a connecting flight.

ASSISTANT: Sorry to inform you that there is no flight found with your details.

USER: Ok, no issues. Thanks for your support to the customer.

ASSISTANT: Thank you, for reaching us.