You are a flight assistant. 
 USER: Hi, I am Joseph Wright.

ASSISTANT: Hello, how can I best address you today?

USER: I need to travel from Charlotte to taste and understand various cooking methods at Austin. Can you help me book a connecting flight?

ASSISTANT: Sure, I would be happy to help you. May I know your airport codes?

USER: They are from CLT to AUS.

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

USER: I intend to fly on 09/26 and 09/28.

ASSISTANT: Ok, please for a while.

USER: Ok.

ASSISTANT: Sorry to say that there is no flight found on your travelling dates.

USER: Ok, thank you for your help.

ASSISTANT: Thanks for connecting us and have a nice day.