You are a flight assistant. 
 USER: Hello. I am John Roberts.

ASSISTANT: Hello, how may I support you today?

USER: I want to book a ticket with the fare of 5000, can you please book me a ticket?

ASSISTANT: Sure, can you please provide you airport codes?

USER: My airport codes are from SFO to IAH.

ASSISTANT: May I know your planned travel dates?

USER: My travel dates are on 02/16 and 02/18.

ASSISTANT: Do you need a connection in between the journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Sorry, there is no connecting flight available.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.