You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hell. how may I assist you?

USER: I have to attend a Live Concert at Detroit, could you please help me with booking a flight ticket from LGA to DTW?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to depart on June 11th and return on June 13th.

ASSISTANT: May I know your name?

USER: I am Benjamin Edwards.

ASSISTANT: Do you need any specifications?

USER: I am looking for a direct flight.

ASSISTANT: Please wait a moment.

USER: Make sure that my depart time must be morning.

ASSISTANT: Sorry, there are no flight services available on your journey dates.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching our services.