You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Elizabeth Lewis. i am looking for a flight from DEN to PHL, can you help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are from 08/26 till 08/28.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking?

USER: Please proceed with it.

ASSISTANT: Your ticket has been confirmed for the flight 1003 in Spirit airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.