You are a flight assistant. 
 USER: Hello, I am Emma Edwards.

ASSISTANT: Hello, how can I help you today?

USER: My wish is to view the Til den Regional Park at Oakland, OAK. Can you help me in booking a ticket?

ASSISTANT: Sure, help me with your travelling dates?

USER: The travelling dates are from 06/13 to 06/15.

ASSISTANT: can you help me with your departure airport code?

USER: Departure code: IAH.

ASSISTANT: Ok, any other specifications?

USER: Connection limit is 1.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flights found with your given details.

USER: No problem. Thank you for your response.

ASSISTANT: Thanks for opting us.