You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Jackson from Houston.

ASSISTANT: Dennis Jackson, how can I assist you?

USER: I would like to attend a live music concert at New York with my friends. Can you please book a flight ticket for me?

ASSISTANT: Sure, I am here to aid you. Please provide your itinerary dates.

USER: I want to depart on Nov 16 and return back on 18th Nov evening.

ASSISTANT: May I know your genesis and terminus airport codes?

USER: My source and destination airport codes are HOU and LGA.

ASSISTANT: Do you have any specifications?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.