You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Evans.

ASSISTANT: How may I assist you today?

USER: I am planning to visit Philadelphia, can you please book me a ticket from IAH to PHL?

ASSISTANT: Sure, I am gleeful to help you. Can you please provide your planned dates of travelling?

USER: My preferable journey dates are from 10/31 to 11/02.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure, take your own time.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100 provided by Delta airlines. Shall I proceed with this?

USER: Please reserve my ticket with this flight.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1021.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us, have a great journey.