You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Cynthia Green, want to travel from SFO to HOU. Please help me in booking my ticket.

ASSISTANT: Sure, on which dates you are planning to travel?

USER: I am planning to travel on 03/10 and want to return on 03/12. Please check the flight with 0 connection.

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Sorry Cynthia, there is no flights available.

USER: It's ok, thank you.

ASSISTANT: Most welcome.