You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I succour you?

USER: I need a direct flight ticket form Seattle to Houston. Can you help me with booking?

ASSISTANT: Sure, when would you prefer to travel?

USER: I prefer to travel on 05/17 and return on 05/19.

ASSISTANT: Do you have any specifications?

USER: 200 is my fare.

ASSISTANT: Please provide your airport codes?

USER: SEA is my origin and IAH is my destination.

ASSISTANT: Thanks for sharing your information. Unfortunately there are no flights found with your details.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: May I know your good name for documentation pupose/.

USER: Amanda Hall is my name.

ASSISTANT: Thank you for connecting with us.