You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Richard Turner here. I am a tennis champion, I would like to participate in US champion ship at San Francisco, help me in booing my flight ticket with price limit 500.

ASSISTANT: Sure, do you have any restrictions on connection limit?

USER: I prefer for any connection limit.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My airport codes are from TX-AUS to CA-SFO.

ASSISTANT: Could you please mention your planned dates of travel?

USER: My journey days will be from 07/21 to 07/23.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time.

USER: Ok.

ASSISTANT: There is a Spirit airline with flight number 1026 and price is of 100 matching your request.

USER: Please confirm my flight ticket.

ASSISTANT: Ok, your booking has been processed.

USER: Thank you for your support in reserving.

ASSISTANT: Thank you and have a good day.