You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anna Davis.

ASSISTANT: In what way shall I amend you at this moment?

USER: I would like to visit waterfall in Houston, IAH with my colleagues in my holidays.

ASSISTANT: Ok. To book a ticket, can I have you starting date of journey?

USER: I need to start my journey on 05/28.

ASSISTANT: Any preferences you have?

USER: I want a halt in between my journey. Price should not exceed 5000.

ASSISTANT: On what date you will be back?

USER: I will return on 05/30.

ASSISTANT: From which point you have to board?

USER: I want to board from San Francisco, CA-SFO.

ASSISTANT: Thanks for waiting, you have a flight with 1 connection of price 200 in Frontier airline in 1000 flight.

USER: Please proceed.

ASSISTANT: Booking has been done.

USER: Thank you.

ASSISTANT: Thank you.