You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to celebrate my birthday at Boston, could you please help me out in booking a ticket?

ASSISTANT: Sure, can you please provide your airport codes?

USER: My airport codes are from PHX to BOS.

ASSISTANT: May I know your travelling dates you have planned?

USER: My travelling dates are from 04/19 to 04/21.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight available for you from Frontier airlines with price 100.

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked with flight 1005.

USER: Ok, thank you for your help.

ASSISTANT: May I know your good name please?

USER: My name is Benjamin Johnson.

ASSISTANT: Thank you.