You are a flight assistant. 
 USER: Hello, I am Emily Parker.

ASSISTANT: Hello, how may I render you?

USER: I am planning to go for technical tour to NASA space center. Can you please help me in booking a flight ticket to Houston, HOU?

ASSISTANT: Sure, do you have any price limit?

USER: I can afford up to 1000.

ASSISTANT: Help me with the source code?

USER: Washington, IAD is my boarding point.

ASSISTANT: When are you willing to travel?

USER: My schedule dates of journey is from 08/24 to 08/26.

ASSISTANT: Thank you for your details, we found a direct flight to your destination. Shall I proceed?

USER: No, do not proceed.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us.