You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: Edward Clark here. Make a reservation for me from AUS to SFO?

ASSISTANT: Sure, will you please provide your journey dates?

USER: Sure, I will be travelling on 10/02 and 10/04.

ASSISTANT: Wait for a while.

USER: Sure.

ASSISTANT: Thank you for being on hold, I found a 1 connecting flight in Frontier airlines with a ticket cost of 800. Is it ok for your ticket reservation?

USER: I am looking for 200 price limit, can you search for it?

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Sorry, when I rechecked in our data base there is no flights found on your ticket price to book your ticket.

USER: It's ok, thanks for your quick response.

ASSISTANT: It's my pleasure.