You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Amanda Thomas.

ASSISTANT: How may I assist you today?

USER: I would like to book a flight ticket in economy class. Can you please help me in reservation from ORD to DTW?

ASSISTANT: Sure, let me know your travelling dates?

USER: My journey start on July 27th and need to return back on July 29th.

ASSISTANT: Do you need any specifications for this reservation?

USER: I need a break in between journey. And my return flight time in the evening.

ASSISTANT: Please hold a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching our service.