You are a flight assistant. 
 USER: Hi, Emily Rodriguez here.

ASSISTANT: Hello, how may I help you?

USER: I have to attend a seminar in Philadelphia with my colleagues. Can you help me in booking a flight ticket from Austin?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, my scheduled dates are Aug 26 and Aug 28.

ASSISTANT: Are you looking for any preferred connections?

USER: I would prefer a connected flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I am looking for a depart time at evening.

ASSISTANT: Do you need any class preferences?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights found on your given details.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thank you for choosing us.