You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: William Carter this side, looking for a flight ticket to Houston on 03/27.

ASSISTANT: Sure, mention me your airport codes?

USER: I need to travel from BOS to IAH.

ASSISTANT: Provide me your return date?

USER: I will back on 03/29.

ASSISTANT: We found a 1017 AA airline with single connection and price of 400. Shall I proceed with booking?

USER: You can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your quick service.

ASSISTANT: Thank you for reaching us.