You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Parker.

ASSISTANT: How can I help you now?

USER: I planned to attend for a meeting in IAD, can you please help me to book a flight ticket from AUS?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: I would like to travel on 05/05 and 05/07.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry Eric, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: I haven't reserved a ticket, please reserve a ticket for me.

ASSISTANT: Sorry, there are no flights found on your requested dates.

USER: Ok, not an issue.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you for your time.