You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kenneth White here.

ASSISTANT: How can I help you Kenneth White?

USER: Actually, I am looking for a direct flight, because of emergency in my travel location, so can you please help me out with booking of a flight ticket?

ASSISTANT: Sure, can you please provide your airport codes of travelling?

USER: I want to travel from SFO to PHL.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: My boarding is on 06/08 and please book a return ticket on 06/10.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: There are no flights available with your request of direct connection on this route.

USER: Oh! So sad to hear. Anyway, I will choose another alternative to go there.

ASSISTANT: Thank you for utilising our service.

USER: Thank you for the information.