You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Miller.

ASSISTANT: How may I guide you today?

USER: Can you help me in booking the ticket from HOU to PHX?

ASSISTANT: I will help you with that. Sure, I am here to help you. Could you please share your travelling dates to search a flight?

USER: My planning dates are from 06/12 to 06/14. I need a direct flight.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no flight found.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for reaching us.