You are a flight assistant. 
 USER: Hi, Michael Lopez here.

ASSISTANT: Hello, how can I be your helping hand?

USER: As I need to play the upcoming tennis tournament at MSP, help me to book a ticket from Houston, HOU.

ASSISTANT: Sure, I am ecstatic to help you.

USER: Thank you.

ASSISTANT: When you are planning to start your journey?

USER: I will depart on 04/19.

ASSISTANT: Do you have any preferences?

USER: I can afford up to 1000 for my journey.

ASSISTANT: Help me with your return date of trip to proceed further.

USER: The planned return date is on 04/21.

ASSISTANT: Please, wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there is a flight available with AA airline, flight number 1015 with fare 100 and a lay by. Can I proceed to reserve?

USER: Yes, you can proceed.

ASSISTANT: Your reservation has been processed.

USER: Thank you for your support in booking a ticket.

ASSISTANT: Thank you for availing us.