You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Michelle Harris, want to travel from SEA to HOU. Can you please help me?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My trip dates are from 05/20 to 05/22.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your departure and arrival timings please?

USER: My return time will be in the evening.

ASSISTANT: Do you have any other preferences?

USER: Make sure, my return time should be in the evening with 1 connection.

ASSISTANT: Michelle Harris, no flights has been found on your planned travel dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for approaching us.