You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Timothy Miller.

ASSISTANT: How can I serve you?

USER: I want to head from Washington to narrate a story to an actor. Can you help me book an economy class ticket with single connection?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: I would like to start on May 18th and my return date will be on May 20th.

ASSISTANT: Please share me your airport codes.

USER: My boarding and landing airport codes are IAD and HOU.

ASSISTANT: Do you need any break?

USER: Yes, I need a stopover.

ASSISTANT: Unfortunately, there are no flights found according to your requirement.

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for reaching us.