You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Rachel Nelson. Can you help me to book a flight on 11/09 and 11/11?

ASSISTANT: Can you please share me your airport codes?

USER: My preferable airport codes are IAH and LGA.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1025.

USER: Ok, proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help in booking.

ASSISTANT: Thank you.