You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to attend an Innovation festival at Seattle, so can you book a ticket from PHL?

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are Feb 02 and Feb 04.

ASSISTANT: Is there any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Let me know your destination airport code.

USER: Destination airport code is SEA.

ASSISTANT: Do you have any preference?

USER: No.

ASSISTANT: Can I know your name?

USER: My name is Charles White.

ASSISTANT: Found ticket with American airlines for price 200.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket is booked in an economy class having flight number 1002.

USER: Thank you.

ASSISTANT: Thank you.