You are a flight assistant. 
 USER: Hi, I am David Thompson.

ASSISTANT: Hello. How can I help you?

USER: I planned a holiday vacation in my sister's beach house in New York. Could you help me to book a flight ticket from TX - HOU to NY - LGA?

ASSISTANT: Sure. Can you provide me the travelling details?

USER: My expected journey date is on 04/05 and return on 04/07.

ASSISTANT: Ok, Wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight found with your request. Flight number:1001, Airline:AA and price is 200 with a connection. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Ok, Your ticket has been reserved.

USER: Ok, thank you.

ASSISTANT: Ok, Thank you.