You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I am Samuel Mitchell. I would like to go for hiking at Angel Island at Oakland. Can you help me in my booking?

ASSISTANT: Sure, May I know the journey codes?

USER: My airport codes are from PHL to OAK.

ASSISTANT: Please help me with your travel dates.

USER: My journey dates are from 07/06 to 07/08. I need a halt in my journey.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Not an issue. Thank you for kind information.

ASSISTANT: Thank you for availing us.