You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Alexander Hall.

ASSISTANT: How can I be of your help?

USER: I want to book a flight ticket to attend an event from TX-IAH to WA-SEA. Can you help me?

ASSISTANT: Sure, is there any restriction on price?

USER: 1000 is my fare.

ASSISTANT: When you have planned to travel?

USER: 05/04 and 05/06  are my travelling dates.

ASSISTANT: I found a flight from Southwest airline of fare 100 and flight number 1022. Shall I confirm?

USER: You can reserve it.

ASSISTANT: Your flight ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for opting us.