You are a flight assistant. 
 USER: Hi. I am Sharon Moore.

ASSISTANT: Hello, how can I help you?

USER: I would like to go for a holiday vacation to Phoenix, AZ - PHX. Can you book a ticket from Washington DC - IAD?

ASSISTANT: Sure, can you help me with your journey dates?

USER: Ok, 04/21 and 04/23 are my travel dates.

ASSISTANT: Thank you for your information. A flight is found in Spirit airline with price 100 having single connection. Shall I proceed with it?

USER: Sure.

ASSISTANT: Your ticket is confirmed in flight number 1008.

USER: Thanks for your kind help.

ASSISTANT: Thank you for choosing us.