You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Will you please help me in booking a flight ticket in economy class?

ASSISTANT: Sure, we are glad to assist you in booking. Kindly share your boarding and landing airport codes.

USER: I need to reach IAH to attend a party meeting and will be leaving from SFO.

ASSISTANT: Do you need a lay by in between your journey?

USER: Yes, I need a break.

ASSISTANT: On what dates you would like to book a flight ticket?

USER: I would start on Jan 24th and return on Jan 26th.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we are unable to provide flights in between your journey routes due to terminal up-gradation at your destination point.

USER: That's alright, thanks for your assistance.

ASSISTANT: may I know your name please?

USER: I am Emily Davis.

ASSISTANT: Thank you for availing us.