You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to reserve my ticket from AUS to MSP, can you please help me in booking?

ASSISTANT: Sure, I am glad to assist you. May I know your planned dates?

USER: Sure, my planned dates of journey are from Apr, 30 to May, 02.

ASSISTANT: Ok, please specify your name.

USER: Sure, my name is Justin Rodriguez.

ASSISTANT: Is there any class preference?

USER: I am ok with any class preference.

ASSISTANT: How many connection you prefer for your journey?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Do you have any other concerns?

USER: Not required.

ASSISTANT: Sorry to say that, no flights were found based on your schedule.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for choosing us.