You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Helen Robinson, I want to book a flight from New York LGA to Houston IAH to meet my grandparents on there retirement function, can you help me?

ASSISTANT: I will help you, can I know your trip dates?

USER: I will be travelling on 06/13 to 06/15 for this journey.

ASSISTANT: Helen, please wait for a while.

USER: Sure.

ASSISTANT: AA airlines is providing a service from LGA to IAH, can I book the ticket for you?

USER: Ok, please book it for me.

ASSISTANT: Your ticket is booked with the flight-1000.

USER: Thank you for helping me.

ASSISTANT: Thank you very much for contacting us and happy journey.

USER: Moat welcome.