You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, my planned dates of journey are from Aug, 04 to Aug, 06.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a depart time which is at morning.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: Yes, my airline preference is at normal cost.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Sorry, no normal-cost airlines is available on your planned dates.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for choosing us.