You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to move Houston for two days as a summer vacation. Please help me to book a flight ticket.

ASSISTANT: Sure, May I know your airport codes?

USER: My airport codes are PHX-IAH.

ASSISTANT: May I know your name?

USER: My name is John Garcia.

ASSISTANT: Let me know your travelling dates?

USER: 05/16 and 05/18.

ASSISTANT: Sure, wait a while.

USER: Ok.

ASSISTANT: Thanks for waiting, We have found a flight with direct connection.

USER: No issue, Please do the booking.

ASSISTANT: Flight number 1004 and Hawaiian airline and price 100. Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thanks for choosing us.