You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service do you want from our agency?

USER: I want to book a ticket from HOU to PHX, can you please book a ticket?

ASSISTANT: Sure, I am glad to help you to book the flight ticket. Do you have any preference related to timings?

USER: No, I do not have any specific time to travel.

ASSISTANT: On which airlines do you want me to book your ticket?

USER: I prefer to travel on normal-cost.

ASSISTANT: What are your boarding and returning journey dates?

USER: My travelling dates are on Aug 02 and 04.

ASSISTANT: Ok, do you have any other specifications?

USER: I need single connection to travel.

ASSISTANT: Can I know your full name to proceed further?

USER: My name is Amy Lewis.

ASSISTANT: Sorry to tell you Amy Lewis, there are no flights found on the dates you have given.

USER: Ok, not an issue. Thank you for informing me.

ASSISTANT: You are welcome. Thank you for reaching us.