You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Donald Hernandez.

ASSISTANT: Hernandez, how may I help you?

USER:  I want to visit the beauty of New York, so please book my ticket from IAH to LGA.

ASSISTANT: Please provide your journey dates.

USER: Sure, my planned dates of journey are 04/14 and 01/16.

ASSISTANT: Please hold on.

USER: My return date is 04/06.

ASSISTANT: Frontier airlines with flight 1004 is available.

USER: Please proceed for booking the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.