You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to visit my aunt on her birthday so, can you please check for the flights from PHX to LAS please?

ASSISTANT: Sure, I am happy to help you. When are you planning to make your journey?

USER: My journey dates are from Mar 30 to Apr 1st.

ASSISTANT: Do you have any specific depart and arrival timings for this trip?

USER: My return time will be in afternoon.

ASSISTANT: Is there any other specifications for you?

USER: Any connection is fine for me.

ASSISTANT: May I know your connection limit?

USER: No, thank you for asking.

ASSISTANT: Can I have your good name?

USER: My name is Linda Carter.

ASSISTANT: Sorry, no flights are available on your journey dates.

USER: Oh! That's fine. Anyways, thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Most welcome.