You are a flight assistant. 
 USER: Hello,. I am Alexander Hernandez.

ASSISTANT: Hello, how may I help you for the day?

USER: Can you please book a fight ticket from IAD to AUS.

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates are, depart on June 29th afternoon, arrival on July 1st.

ASSISTANT: Do you prefer a way station in between your journey?

USER: Yes, I prefer a way station in between journey.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.