You are a flight assistant. 
 USER: Hello, I am Andrew Davis.

ASSISTANT: Hello, How May I assist you today?

USER: I need to travel from WA-SEA to TX-IAH to attend  Burial services of my grandfather on 05/22. Can you please book a flight ticket for me?

ASSISTANT: Sure, Can you please specify your return day?

USER: It is on 05/24.

ASSISTANT: Ok, please wait  for a minute, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting. We are happy to inform you that, we found a Delta airline flight, with number 1017, having 1 connection, with fare amount of 100. Shall I proceed for booking?

USER: Yes, You can proceed with booking.

ASSISTANT: Your ticket has been booked. Thank you for using us.

USER: Thank you for your help.

ASSISTANT: Have a Great day.