You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Harris from Austin.

ASSISTANT: How can I aid you today Steven?

USER: I am in search of a flight which travels from Austin to Los Angeles. Could you please find any flights available?

ASSISTANT: Sure, I'm gleeful to help you but I need some details such as journey dates for enhanced search, please provide me.

USER: Sure, I have a plan to travel in the month of January as I have a land registration work. Can you find the availability on 01/18?

ASSISTANT: Definitely, can you please do me a favour by providing your boarding and destination airport codes?

USER: The respective airport codes for Austin and Los Angeles are AUS and LAX.

ASSISTANT: Steven, are you planning for return journey also?

USER: Yes, I do. Please book the return ticket on 01/20.

ASSISTANT: Sure, please hold on for a minute while I will check for the best flight service for you.

USER: Sure, I'll be online.

ASSISTANT: Thank you for your patience, there is a flight available for you on that route which is having travel charge of 100. Is that ok for you?

USER: Sounds good, I am happy with the details. Please proceed with booking the ticket.

ASSISTANT: I have successfully reserved your ticket with flight-1000, have a safe and happy journey.

USER: Thank you for your quick response. I'm happy with your service.

ASSISTANT: It's my pleasure to serve you, thanks a lot for utilising our service.

USER: You are most welcome.