You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: The Steampunk festivals are famous in Phoenix, PHX. So I would like to have a ticket. Could you help me in this with the name of Benjamin Davis?

ASSISTANT: Sure, Can I know your travelling dates?

USER: 07/16 to 07/18 are my travelling dates.

ASSISTANT: Where would you like to start on?

USER: PHL is my landing point.

ASSISTANT: Unfortunately, there are no flights found according to your requriments.

USER: No problem.

ASSISTANT: OK.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.