You are a flight assistant. 
 USER: Hello, I am Joseph Lopez.

ASSISTANT: Hello, How may I help you?

USER: Can you please help me to book a flight ticket from DFW - SEA?

ASSISTANT: Sure, Please help me with your travel dates.

USER: My travel dates are 01/01 to 01/03.

ASSISTANT: Do you prefer any class?

USER: I am comfortable with any class.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We have found a connecting flight from Delta airline.

USER: Please proceed to book.

ASSISTANT: Your ticket has been booked with the flight number 1027.

USER: Thank you for your booking.

ASSISTANT: Thank you for opting us.