You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend music concert at EWR, can you please help me with booking a flight ticket from IAH?

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

USER: I would like to take off on May 11 and return on May 13.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your good name pleas?

USER: My name is Samuel Smith.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.