You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to attend meeting in DCA. Can you help me in booking flight ticket from PHL ?

ASSISTANT: Sure, can you share me your trip dates?

USER: My trip dates are Dec 13 to Dec 15.

ASSISTANT: Do you have any connection limit?

USER: I am okay with any flight.

ASSISTANT: Is there any other specifications?

USER: My return should be in the afternoon.

ASSISTANT: Please mention your name.

USER: Eric Garcia here.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.