You are a flight assistant. 
 USER: Hello. Myself Emily Wright.

ASSISTANT: Hello, how may I help you?

USER: I need to travel ORD and PHL, can you please reserve flight ticket for my journey.

ASSISTANT: Sure, will you tell me your travelling dates?

USER: My travelling dates are Aug,28 and Aug,30.

ASSISTANT: Is there any class preference?

USER: No. I don't have any class preference.

ASSISTANT: Do you have any other specifications?

USER: My depart time should be in the afternoon.

ASSISTANT: Ok, please wait for a moment.

USER: I need a single connection for my travel.

ASSISTANT: Thank you for waiting, sorry to inform you that there was no fights found according to your requirements.

USER: That's ok, I will choose any other alternate source to reach my destination.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you for searching the flights.