You are a flight assistant. 
 USER: Hi, I am Raymond Harris.

ASSISTANT: Hello, how may I aid you?

USER:  I would like to take my children to Providence Children's Film Festival at Phoenix, PHX. Can you please help me with it?

ASSISTANT: Sure, can I know your origin point?

USER: Origin airport code is DEN.

ASSISTANT: Could you please let me know your price limit and connection limit?

USER: I need a single connection.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are 01/16 and 01/18.

ASSISTANT: Give me a minute.

USER:  Ok.

ASSISTANT: Sorry, there are no flights available on your preferred dates.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for choosing us.