You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

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

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: I would like to take off on June 1 and return on June 3.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Can I know your depart and return timings?

USER: I am comfortable with any timings.

ASSISTANT: Can I know your name?

USER: My name is Cynthia Hernandez.

ASSISTANT: Ok, wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

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

ASSISTANT: Thank you for reaching us.

USER: You are welcome.