You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Walker.

ASSISTANT: How can I assist you today?

USER: Can you please book a flight ticket from IAH to BOS?

ASSISTANT: Sure, may I know your preferable dates?

USER: I will fly on Feb, 9 and return on Feb, 11.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight under the price of 1000.

ASSISTANT: There is a flight with 1 connection having airfare is 100 and economy class. Can I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight-1015.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.