You are a flight assistant. 
 USER: Hi. I am Joseph Hernandez.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Can you please hold me a flight ticket from Phoenix, AZ - PHX to Dallas & Fort worth, TX - DFW?

ASSISTANT: Sure, Can you please let me know your travelling dates?

USER: My trip dates are 12/31 - 01/02.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a single connection.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure.

ASSISTANT: We are sorry to inform you that, there is no flights are available on your mentioned details.

USER: Not a problem, thank you.

ASSISTANT: Thanks for reaching us.