You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anthony Martin.

ASSISTANT: How may I guide you today?

USER: I would like to book a flight ticket to attend a robotic workshop, can you help me to book an economy class ticket?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My travelling dates are 12/19 and 12/21.

ASSISTANT: Can you please share your source and destination airport codes?

USER: My airport codes are JFK and PHL.

ASSISTANT: Do you have any class preference?

USER: I have mentioned above.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: I want to return in the morning.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.