You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Laura Nelson here.

ASSISTANT: Nelson, how can I assist you?

USER: I want to meet my sister-in-law at Austin, so please book my ticket from Charlotte.

ASSISTANT: Sure, can you please provide me your travel dates?

USER: My itinerary dates are 06/06 and 06/08.

ASSISTANT: Ok, may I know your airport codes?

USER: I would like to travel from CLT to AUS.

ASSISTANT: Ok, please wait for a while.

USER: Can you search for a flight with ticket fare of 200 or less.

ASSISTANT: Sorry, as per your requirements there is no flight available on your preferred dates.

USER: No problem, thank you.

ASSISTANT: You are welcome and thank you for contacting us.