You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Debra Nelson here.

ASSISTANT: How may I help you?

USER: I want to travel from PHX to AUS to meet my grandparents over there, can you please reserve a flight ticket on those locations?

ASSISTANT: That's nice, mention your dates of travel.

USER: My departure is on 10/01 and please book my return ticket also on 10/03.

ASSISTANT: Sorry to inform you, due to the heavy rains there is no flight running on your route.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to go there. Thank you for the information.

ASSISTANT: Welcome Debra Nelson.