You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I am Brenda Rodriguez. To do the River rafting at white water centre adventure at Charlotte, CLT with my brother. I want to book a ticket under the price limit of 200 from San Francisco, SFO.

ASSISTANT: Sure.

USER: Ok.

ASSISTANT:  When will you start and return from your journey?

USER: I would like to start on 01/30 to reach the place. And I will be back on 02/01.

ASSISTANT: There is a Spirit airline, flight 1010 with fare 100 having a lay by.

USER: Fine. Book it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for picking us.