You are a flight assistant. 
 USER: Hello. I am Mark Wright.

ASSISTANT: Hello, how can I help you?

USER: I need to book a ticket to meet my friend on 10/14. Could you please help me in booking a return ticket on 10/16?

ASSISTANT: Sure, we are here to help you. Can you share me your journey locations?

USER: My airport codes are JFK and PHL.

ASSISTANT: Do you need any halts in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: Ok, wait for some time I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there is no flights found on requested details.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for approaching us.