You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Philadelphia, can you please reserve me a flight ticket from ORD to PHL?

ASSISTANT: Sure, can I know your travelling dates?

USER: My preferable journey dates are June 07 and June 09.

ASSISTANT: On which name should I reserve the flight ticket?

USER: Please reserve my ticket with the name Helen Martin.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: We found Delta airline with price 100 and economy class and airline number is 1004 with arrival time is 20 PM and departure time is 13 PM, Shall I proceed for booking?

USER: Please book my ticket in this flight.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.