You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Can I know your travel dates?

USER: I would like to take off on Sept 2 and return on Sept 4.

ASSISTANT: Do you have any preference?

USER: I am looking for a connecting flight.

ASSISTANT: Let me know your name.

USER: My name is David Carter.

ASSISTANT: Sorry, no flights found for your travelling dates.

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

ASSISTANT: Thank you.

USER: You are welcome.