You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emily King.

ASSISTANT: How may I help you today?

USER: I want to attend meeting at Houston, IAH. Can you help me in booking from San Francisco, SFO?

ASSISTANT: If you provide your planned departure and return dates of travelling then it is easy to find a exact flight for you.

USER: My journey dates are from Jan 10 to Jan 12.

ASSISTANT: Ok, may I know your preferences?

USER: I need a direct flight. My depart time is evening.

ASSISTANT: Sorry, there is no direct flight for you on your route.

USER: Ok, No issues. Thank you.

ASSISTANT: Welcome, have a good day.