You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to book a flight ticket from LGA to IAH?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Sept 4 to Sept 6.

ASSISTANT: Do you have any specifications?

USER: I want to depart in the evening.

ASSISTANT: Please share me your name.

USER: Ronald Rodriguez here.

ASSISTANT: Flight-1027 is available with United airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Ok, proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.