You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Will you please help me in booking a flight ticket to reach Detroit with 1 way station in between?

ASSISTANT: Sure, may I know your airport codes?

USER: I need to reach DTW to attend a party meeting and I will be starting from LAs.

ASSISTANT: Can you please share your planned trip dates?

USER: My departure is on Oct 29th and return on Oct 31st.

ASSISTANT: Do you have any arrival and depart timings?

USER: No, I don't have any particular timings.

ASSISTANT: Is there any airline preference?

USER: Yes, I need a normal cost airline.

ASSISTANT: Can you please share your good name with us?

USER: I am Mary Scott.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for reaching us.