You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you for the day?

USER: I want to visit the independence hall to organise an event for orphan children in Philadelphia, PHL. Can you avail me to book a flight ticket?

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

USER: My preferable dates are Dec 08 and 10.

ASSISTANT: May I know your source code for further process?

USER: My source is from Las Vegas, LAS.

ASSISTANT: Can I know your connection limit?

USER: I am ok with any connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Karen Davis here.

ASSISTANT: There is a connecting flight-1010 in Jet Blue Airlines with a fare of 100. Would you like to book this ticket?

USER: Please reserve my seat.

ASSISTANT: Your booking has been done in economy class.

USER: Thanks for your kind service.

ASSISTANT: Thank you for reaching us, have a safe journey.