You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself James Allen.

ASSISTANT: How can I assist you?

USER: Book a ticket from IAD to PHX, to visit my home. Hope you are helping me.

ASSISTANT: Sure Allen, can I know the travel dates please?

USER: Sure, my travelling dates are from 09/09 and 09/11.

ASSISTANT: Ok, wait a moment please.

USER: Sure, get back with good airlines.

ASSISTANT: There is a flight in Spirit airline with price 100, can I book it?

USER: Yes, please.

ASSISTANT: Your ticket has been booked with flight number 1023.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us.