You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am looking for a flight from DEN to SEA, can you please help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Mar 20 and Mar 22.

ASSISTANT: On whose name shall I reserve flight ticket?

USER: My name is Katherine Nelson.

ASSISTANT: Do you need any connection limit?

USER: My connection limit is 1.

ASSISTANT: May I know your other specifications?

USER: I don's have any other specifications.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with one connection and the price is 100 in Delta airlines, can I proceed with the reservation?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with the flight number 1004 in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching our service.