You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Alexander Hall.

ASSISTANT: How can I aid you today?

USER: I have to attend a Music Concert at Seattle, could you please help me with booking a flight ticket from PHX to SEA?

ASSISTANT: I am glad to help you with that booking, please share your preferable dates.

USER: I would like to take off on 04/15 and return on 04/17.

ASSISTANT: Sure, please wait a minute.

USER: Sure, take your time.

ASSISTANT: There is a flight with Delta airline having one connection and airfare is 100. Shall I proceed to booking?

USER: Please confirm the booking.

ASSISTANT: Your ticket has been reserved with the flight number 1012.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.