You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to visit Houston, can you please book me a ticket from IAD to IAH?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My preferable journey dates are from Feb 26 to Feb 28.

ASSISTANT: The JetBlue airline with flight number 1015 is available having fare as 100 and connection as 1, is it ok for you?

USER: Please book my ticket with the name Ruth Green.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome, have a great day.