You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you at this moment?

USER: I want to travel from SFO to PHL. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am ravish to help you. Can you please share your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: When would you like to take off from SFO?

USER: I want to travel in the flight on June 13 and June 15.

ASSISTANT: Ok, do you prefer business or economy class?

USER: No, but I want to depart in afternoon time.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Can I know your good name please?

USER: Gregory Rodriguez.

ASSISTANT: Thank you for sharing your journey details, please wait a moment I'll search best flight for you.

USER: Ok, take your time.

ASSISTANT: There are no flights found on your requested dates.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us.