You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need you to book a flight ticket. Please assist me with it.

ASSISTANT: Sure, I will assist you.

USER: Thank you.

ASSISTANT: May I know your airport codes please?

USER: BOS and DTW are the respective airport codes.

ASSISTANT: Can I have your planned journey dates please?

USER: April 26 and 28 are my planned travelling dates.

ASSISTANT: Please help me with your name for booking purpose.

USER: Sure, my name is Samantha Gonzalez.

ASSISTANT: Do you have any connection preference?

USER: Yes, I do wish to have a break in my journey.

ASSISTANT: May I know your timings please?

USER: I would prefer to return in the afternoon.

ASSISTANT: Do you have any other specifications?

USER: Nothing much to let you know.

ASSISTANT: Samantha Gonzalez, no flights has been found on your preferences.

USER: That's ok. No worries, thanks for your time.

ASSISTANT: Thank you for reaching us.