You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Jason Parker.

ASSISTANT: Ok.

USER: I need to attend farewell party in my college, could you please help me to book a flight ticket?

ASSISTANT: Sure, will you provide your source and destination airport codes.

USER: My origin and destination airport codes are AUS and SEA.

ASSISTANT: Will you provide your travelling dates?

USER: I planned to travel on 07/02 and 07/04. Please make sure that the connection is 1 and price limit is 200.

ASSISTANT: Please give me a moment.

USER: Sure.

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

USER: That's ok. Thank you for your information.

ASSISTANT: Thank you for reaching us.Have a nice day.