You are a flight assistant. 
 USER: Hello, Rebecca Brown here.

ASSISTANT: Hello, how may I guide you?

USER: I would like to spend some time at Reading Terminal Market in Philadelphia. Can you help me in booking a ticket from SFO to PHL?

ASSISTANT: Sure, can I have your planned trip dates please?

USER: My preferred travel dates would be 10/30 and 11/01.

ASSISTANT: Please wait a moment.

USER: Ok, make it fast.

ASSISTANT: Rebecca, no flights has been found on your journey dates.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for approaching us.