You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Will you help me to book a flight ticket in my preferable travel dates May, 29 and May, 31?

ASSISTANT: Sure, can you please forward your airport codes?

USER: AUS and ORD are my airport codes.

ASSISTANT: May I know your name please?

USER: Jennifer Garcia here.

ASSISTANT: Is there any connection limit in your journey?

USER: I need direct flight.

ASSISTANT: Do you have any more specifications?

USER: I need to travel in economy class only.

ASSISTANT: Thank you for sharing your details. Sorry, we did not find any flights matching your credentials.

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

ASSISTANT: Thank you for choosing us.