You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carolyn Walker.

ASSISTANT: How may I assist you?

USER: I am looking for a flight from PHL to ORD, can you help me out?

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

USER: My trip dates are from 01/15 till 01/17.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Walker, no flights has been found on your journey dates.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for approaching us.