You are a flight assistant. 
 USER: Hello, Robert Campbell here.

ASSISTANT: Hello. How can I help you Robert?

USER: I am searching for flight ticket to SFO, going to give a presentation of my story to a publisher at San Francisco, can you please book a ticket from DTW?

ASSISTANT: That's great, I will help you Robert. Could you please inform your travelling dates for flight ticket reservation?

USER: I am leaving from Detroit on 10/29 and after completion of presentation I would like to return on 10/31. And middle of my journey my friend is also joined to see my presentation, so please search for a flight with connection 1.

ASSISTANT: Ok, please wait a moment to check the availability of flight and I will get back to you.

USER: Sure, take your time.

ASSISTANT: Sorry as per your requested dates there is no flight available with 1 connection limit.

USER: Ok, not an issue, I will choose another airlines to go there.

ASSISTANT: Do you want to know any thing else from us?

USER: Nothing. By the way, thank you for the information.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Welcome.