You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I render you?

USER: I would like to participate in Nutshell Bike tour at Austin, TX-AUS, will you help me in booking a flight ticket on 05/11?

ASSISTANT: Sure. When are you com back?

USER: I intend to return on 05/13.

ASSISTANT: Where do you want to start your journey?

USER: My source code is CA-SFO.

ASSISTANT: May I know your good name?

USER: I am Alexander Brown.

ASSISTANT: There is a flight 1005 in Frontier airline and price 100 with a connection. Shall I make reservation?

USER: Please reserve my ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your information.

ASSISTANT: Thank you.