You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please make a reservation between AUS and PHX for my business trip?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Thank you for taking my request into consideration, my departure is on July 24 and please book my return ticket on July 26.

ASSISTANT: Can you please share your connection limit?

USER: Sure, I will prefer single connection.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Rebecca Smith.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Rebecca Smith, there are no flights available in your route.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for checking.

ASSISTANT: Thank you for choosing us.