You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Perez.

ASSISTANT: How may I help you?

USER: I have planned to visit Philadelphia as it is well known for peace. Will you please book a flight ticket?

ASSISTANT: Please provide me your airport codes?

USER: Airport codes are HOU and PHL.

ASSISTANT: May I know your travelling dates?

USER: My dates of travelling are 01/13 and 01/15. Please check the price under 5000 with connection as 1.

ASSISTANT: Ok, wait a moment.

USER: Sure.

ASSISTANT: As per your request flight has found for you.

USER: Ok, please proceed with booking.

ASSISTANT: Shall I book?

USER: Ok, book it.

ASSISTANT: Ok, your ticket has been booked with flight number 1012.

USER: Thank you for booking.

ASSISTANT: Thank you, have a safe journey.