You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Justin Garcia.

ASSISTANT: How may I assist you?

USER: I need to book a flight ticket from SEA to AUS, Can you please help me for booking?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to travel on 01/16 to return on 01/18.

ASSISTANT: At what time do you like to travel?

USER: I would be return on afternoon.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flight on your route.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.