You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Kimberly Jackson here.

ASSISTANT: How can I help you?

USER: I am a biker, I have a bike race in Austin.

ASSISTANT: That's great.

USER: So please help me in booking a ticket from PHL to AUS.

ASSISTANT: Please provide your travelling dates.

USER: My planned journey dates are 07/07 and 07/09.

ASSISTANT: Unfortunately there is no flights found under your details.

USER: That's ok, thanks for the information.

ASSISTANT: Welcome, have a nice day.