You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Benjamin Smith here, I want to reserve my ticket from EWR to AUS, can you please help me out?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Please share me your trip dates.

USER: Sure, my planned dates of journey are from Jan, 27 to Jan, 29.

ASSISTANT: Do you have any class preferences?

USER: No, I need a depart time which is at morning.

ASSISTANT: Is there any connection limit for you?

USER: Yes, I need a connecting flight.

ASSISTANT: Please wait for while.

USER: Sure, I will wait.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your service.