You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Angela Jackson here.

ASSISTANT: How may I aid you today from my end?

USER: I need your help in booking of a flight ticket between SEA and AUS, can you please help me out with that?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Thank you for accepting my request, my departure is on 06/26 and please book my return ticket also on 06/28.

ASSISTANT: Sorry, there is no flight in your route with your travel dates.

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

ASSISTANT: Ok, thank you for reaching us.