You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I aid you today?

USER: I am Betty Turner.

ASSISTANT: Ok.

USER: I am planning to go for party at Houston, HOU. Can you please book a ticket on 11/05?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please share the return date of travel.

USER: After party, I will return on 11/07.

ASSISTANT: Can I have your origin point?

USER: Source code is New York, LGA.

ASSISTANT: Ok. Thanks for sharing your details. Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, but no flights are found in search.

USER: No problem. Thank you.

ASSISTANT: Thank you.