You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Emily Johnson.

ASSISTANT: How can I aid you?

USER: I am looking for a flight from HOU to DEN, can you help me out?

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

USER: My trip dates are from Aug 8th till Aug 10th.

ASSISTANT: Do you have any specifications?

USER: I need my return flight in morning session.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Here, there are no flights available for your desired intent.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.