You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Please help me to book a flight ticket from PHX to ORD?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are May 05 and May 07.

ASSISTANT: On which name shall I reserve flight ticket?

USER: I am Donna Baker.

ASSISTANT:  Do you need any specifications?

USER: I need a connecting flight.

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

USER: Go ahead.

ASSISTANT: Your ticket has been reserved with the flight number 1003.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching our service.