You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ruth Perez here.

ASSISTANT: Ruth Perez, how can I assist you?

USER: I want to attend a Marriage in San Francisco. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I can help you. Please share your genesis and terminus airport codes.

USER: My airport codes are EWR and SFO.

ASSISTANT: When do you want to attend the marriage?

USER: My travelling dates are 07/14 and 07/16.

ASSISTANT: Do you have any specifications?

USER: I want to departure on afternoon. I want to prefer single connection flight.

ASSISTANT: Sorry, no flights are available on your route.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for reaching us.