You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly can I guide you the best today?

USER: I am Amy Johnson, I planned to travel to Houston to meet my friend.

ASSISTANT: Ok.

USER: Can you help me to book a flight ticket under fare of 500?

ASSISTANT: Sure, We are happy to help you. Where do you want to start from, and return at?

USER: I will fly from NY-LGA to TX-IAH.

ASSISTANT: On what dates you have planned to travel?

USER: My planned is to travel on 07/21 and return on 07/23.

ASSISTANT: Ok, please be on hold. Let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your time. We found a Southwest 1007 airline, with a single connection available for your journey. Is this comfortable for you?

USER: Yes.

ASSISTANT: Your reservation is done with the flight number 1007, airfare is of 100.

USER: Thank you for helping me now.

ASSISTANT: Thank you for reaching us.