You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Donald Garcia.

ASSISTANT: Donald, what can I do for you today?

USER: I would like to meet my college friends to make fun at Houston, please help me in booking a ticket.

ASSISTANT: Sure, can you provide us your journey dates?

USER: My journey dates are from 02/14 to 02/16.

ASSISTANT: Let me know your origin and destination airport codes.

USER: My origin and destination airport codes are BOS and IAH.

ASSISTANT: Donald, can you please be on hold for a moment?

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, I have found a flight for you in Delta airlines and the ticket costs you 600 only. Shall I book the ticket?

USER: Ok, please proceed my booking.

ASSISTANT: Ok, your ticket is booked successfully and have a safe flight.

USER: Thank you for your response.

ASSISTANT: Thank you for approaching us.