You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: As I am a doctor, I want to attend an emergency case at Detroit, DTW. Can you please help me for booking?

ASSISTANT: Sure, please share your planned travel dates to proceed further.

USER: Sure, my travelling dates are May 24 and May 26.

ASSISTANT: May I know your source airport please?

USER: My source is Boston, BOS.

ASSISTANT: Do you prefer any specific airline to travel?

USER: No.

ASSISTANT: Are you ok with a connecting flight?

USER: Yes.

ASSISTANT: Please let me know if you have any other preferences?

USER: I don't have any other preferences.

ASSISTANT: To book a ticket I need your name, can you please share it?

USER: Sure, I am Matthew Garcia.

ASSISTANT: We are sorry to inform you that there are no flights available on your requested details.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for reaching us, we hope to serve you better next time.