You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: I am Joshua Collins. I am planning to go for a holiday trip to Minneapolis, will you reserve me a flight ticket to reach MSP?

ASSISTANT: Sure, May I know your travelling dates?

USER: I would like to depart on Aug 11 in the afternoon time. My return will be on Aug 13.

ASSISTANT: Ok, Is there any class preferences?

USER: I need a business class ticket.

ASSISTANT: Ok, May I know your boarding point?

USER: My boarding point is PHL.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your patience, There were no flights found with your given specifications.

USER: It's ok, I will check with another airline. Thank you for your response.

ASSISTANT: Thank you for availing us.