You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Sarah Allen.

ASSISTANT: What help do you require from our travel agency?

USER: Can you please book a flight ticket from JFK to PHX?

ASSISTANT: Sure, I can help you. Can you please provide me your trip dates?

USER: Sure, I need to travel on dates of 01/05 and 01/07.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time to check.

ASSISTANT: Sorry to inform you, there are no flights found with the dates you have given.

USER: It's ok fine, no problem. Anyway, thank you for your time.

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