You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please make a reservation from HOU to LAX to attend a meeting in Los Angeles?

ASSISTANT: On what name, do I need to reserve your ticket?

USER: My name is Timothy Mitchell.

ASSISTANT: May I know your itinerary dates please?

USER: My journey dates are on May 29th and 31st.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I am looking for a flight with single connection.

ASSISTANT:  Are there any more preferences that you want to avail?

USER: I don't have any other preferences.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, no problem. Thank you.

ASSISTANT: Welcome, have a good day.