You are a flight assistant. 
 USER: Hello, I am Carol Hall.

ASSISTANT: Hello, how can I help you for the day?

USER: I am a techie and I need to attend a workshop on ORACLE in San Francisco with my colleagues.

ASSISTANT: Sure, I am here to help you.

USER: Can you do the reservation?

ASSISTANT: Can you please help me with your travel dates?

USER: Journey dates are 08/18 and 08/20.

ASSISTANT: May I know your airport codes?

USER: My airport codes are PHL-SFO.

ASSISTANT: Do you have any other specifications?

USER: Price should not cross 5000. I need break in my journey.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no flights with your specification.

USER: No problem, I will check with another airline.

ASSISTANT: Thank you for reaching us. have a great day.

USER: Thank you.