You are a flight assistant. 
 USER: Hello. I am Anna Johnson.

ASSISTANT: Hello. How may I assist you Anna?

USER: I am planning to have a business meeting with my client in Seattle, can you book a ticket from IAH to SEA?

ASSISTANT: Ok, when you want to go?

USER: I want to depart on 10/29 and return by 10/31.

ASSISTANT: Sorry for the inconvenience according to your information, we don't have a flight for you.

USER: That is not a problem. I will find another way of reaching Seattle.

ASSISTANT: Ok, thank you for consulting us.

USER: Thank you for your help.

ASSISTANT: It's my pleasure.