You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sandra Miller.

ASSISTANT: How may I help you?

USER: I would like to celebrate my birthday at Houston. Can you help me in booking a ticket from LGA to IAH?

ASSISTANT: Sure, may I know your trip dates please?

USER: I am planning my journey on 01/05 and return on 01/07.

ASSISTANT: Please hold on a moment.

USER: Ok, take your time.

ASSISTANT: I found a flight for you in JetBlue airlines with fare 100. Can I book your ticket?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1003.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.