You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christine Mitchell.

ASSISTANT: How may I aid you?

USER: Can you please hold me a flight ticket which is having it's return time in the afternoon?

ASSISTANT: When you are planning to depart and arrive?

USER: My trip dates are 11/16 - 11/18.

ASSISTANT: Can you please share me your airport codes?

USER: My airport codes are DTW - PHX.

ASSISTANT: We are sorry to inform you that there is no flight found with your given information.

USER: No issues, thank you.

ASSISTANT: Thank you for availing us.