You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  aid you?

USER: Ruth Garcia here. Can you please help me in booking a flight ticket from BOS to IAH?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: Sure, my travel dates are from 03/21 to 03/23.

ASSISTANT: We found a Delta airline, flight number:1005 and the price is 100.

USER: Ok, please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you.