You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you for this day?

USER: I am willing to meet my grandmother, can you please help me to book the flight ticket from DFW to DTW?

ASSISTANT: Ok, I am here to help you. Can you please let me know your travelling dates?

USER: I have to depart on 11/28 and return on 11/30.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: May I know your connection limit?

USER: I want the flight with 1 connection.

ASSISTANT: Sorry for the inconvenience, I did not find any flight ticket with 1 connection.

USER: No problem, I will find an other way. Thank you for checking.

ASSISTANT: May I know your name?

USER: My name is Nicole Clark.

ASSISTANT: Once again sorry for the inconvenience and have a nice day.

USER: Thank you.

ASSISTANT: Most welcome.