You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: My name is Dennis Gonzalez.

ASSISTANT: Nice to meet you Dennis.

USER: I have planned to meet my childhood friends in Boston, can you please help me to book a flight ticket from Detroit?

ASSISTANT: Yes, tell me your travel dates please?

USER: The preferable travel dates are June 07 and June 09.

ASSISTANT: Your airport codes please?

USER: The origin and destination airport codes are DTW and BOS.

ASSISTANT: May I know your departure and return time please?

USER: My planned returning time is morning.

ASSISTANT: Do you have any other preferences?

USER: Yes, I am looking for a  single connecting flight to travel.

ASSISTANT: Please wait.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting. Sorry there no flights available in the morning time.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: Thank you.