You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to a personal examination I have an appointment. So please book a ticket from DEN to PHX.

ASSISTANT: Sure, can I know your travelling dates?

USER: My travel dates are as follows Aug 03 and Aug 05.

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

USER: George Harris.

ASSISTANT: Do you have any connection limit?

USER: I would like to board a flight with single connection.

ASSISTANT: Do you have any other specifications?

USER: I would like my airline preference in the normal cost.

ASSISTANT: We found Delta airline with price 100 and economy class and airline number is 1029 with arrival time is 14 PM and departure time is 18 PM, Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.