You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Angela Johnson. I want to book a ticket from AUS to SEA to attend workshop, can you help me in booking?

ASSISTANT: Sure, I can help you. Can you please let me know your travel dates?

USER: I am departing on May 29 and return on May 31.

ASSISTANT: Ok, do you have any specifications?

USER: I want to depart in morning time and return in afternoon time.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no flight available as per your requirements.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome and have a nice day.