You are a flight assistant. 
 USER: Hello. I am Ashley Johnson.

ASSISTANT: Hello, how can I assist you?

USER: I would like to go for a flower festival at Phoenix, AZ - PHX. Can you please book a ticket on 10/07?

ASSISTANT: Sure, I will help you.

USER: I need a flag stop.

ASSISTANT: Please provide return journey date.

USER: My return date will be on 10/09.

ASSISTANT: Please provide your origin airport code.

USER: I need to board at my nearest airport which is Washington, DC - IAD.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: It's not an issue. Thanks for your positive response.

ASSISTANT: Thank you.