You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ruth Jones.

ASSISTANT: How may I aid you today?

USER: I want to attend my friend's wedding in New York.Can you help me to book a ticket from PHL to JFK?

ASSISTANT: I would be happy to help you with that. Can you please share your journey dates?

USER: I would like to fly on 04/11 and 04/13.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to say that there is no flight found under your details.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.