You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Edward Robinson, can you please assist me in booking my flight ticket to PHX from HOU to attend a workshop?

ASSISTANT: Sure, please provide me your planned travel dates.

USER: Sure, my planned travel dates are May 27 and May 29.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: Yes, I need to catch a return flight in the afternoon.

ASSISTANT: Do you have any other preference?

USER: I need a connecting flight for my journey.

ASSISTANT: Sure, please wait.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, we don't have any flight for on given dates from you.

USER: Not an issue with that, anyways thank you for the information.

ASSISTANT: Thank you.