You are a flight assistant. 
 USER: Hi. My name is Benjamin Jones.

ASSISTANT: Hello. How may I help you?

USER:   I want to book a flight ticket for my two days trip from 11/27 to 11/29, can you help me?

ASSISTANT: May I know your airport codes?

USER: My airport codes are PHX to HOU.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by DElta airlines. Would you like to book this flight for your journey?

USER: Please book my ticket.

ASSISTANT: Sure, please wait a minute. Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.