You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I have a meeting with my boss at Houston, please help me in booking a ticket from PHL to IAH.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are 04/11 and 04/13.

ASSISTANT: May I know your name?

USER: My name is Edward Brown.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure, take your time.

ASSISTANT: Here is a flight with ticket fare 200 in Spirit airlines with a stopover. Is it ok for you?

USER: Ok, pleas book the ticket.

ASSISTANT: Your booking is confirmed with flight number 1027.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.