You are a flight assistant. 
 USER: Hi, I am Anna Robinson.

ASSISTANT: Hello, how may I assist you?

USER: Please make me the plane reservation under the price 200.

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to fly on 08/20 and will be back on 08/22.

ASSISTANT: Please share your airport codes?

USER: My source is CA-SFO and destination is TX-IAH.

ASSISTANT: Do you have any connection limit?

USER: Yes, flight has to be with a connection.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, we did not found any flight under your budget limit.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for reaching us.