You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Deborah Collins. Please reserve my ticket from BOS to LAX for attend a seminar.

ASSISTANT: Sure, please share your planned travel dates?

USER: My journey dates are from Apr 7 to Apr 9.

ASSISTANT: Any other requirements to be met?

USER: Make sure that my depart time is afternoon.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.