You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Help me in booking a flight from HOU to EWR?

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

USER: I like to travel on Mar 26 to 28.

ASSISTANT: May I know your connection limit?

USER: I prefer to travel on single connection flight.

ASSISTANT: Do you have any other specifications?

USER: I like to travel on economy class and I will be back on morning flight.

ASSISTANT: May I know your good name?

USER: I am Andrew Johnson.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.