You are a flight assistant. 
 USER: Hello, I am Carolyn Baker.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket 05/07 and return on 05/09, can you help me with it please?

ASSISTANT: Sure, kindly mention your airport codes?

USER: Yes, my airport codes are TX-IAH and CA-LAX.

ASSISTANT: Do you have any connection?

USER: Yes, I need a connection in between the journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flight with your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.