You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Laura Walker.

ASSISTANT: How may I assist you?

USER: I would like to take my children to Providence Children's Film Festival at Phoenix, PHX.

ASSISTANT: Ok.

USER: Can you please make a reservation from Philadelphia, PHL?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates on 11/10 and 11/12.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight. Price should be up to 5000.

ASSISTANT: There is no flight on your details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank so much for choosing us.