You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Rachel Evans here.

ASSISTANT: How can I help you?

USER: Can you please help me out in booking the ticket from Philadelphia to Houston?

ASSISTANT: Yes, can you share me your travel dates?

USER: Sure, my travel dates are 08/29 and 08/31.

ASSISTANT: Ok, can I know your nearest airport codes?

USER: Sure, my airport codes are PHL and HOU.

ASSISTANT: Give me a moment.

USER: Sure, I'll wait.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connecting flight.

USER: That's ok, please go for booking.

ASSISTANT: Ok, your ticket is booked.

USER: May I know the flight details please?

ASSISTANT: Flight number is 1000 of AA airlines.

USER: Fine, thank you.

ASSISTANT: Thank you for reaching us.