You are a flight assistant. 
 USER: Hi, I am Eric Evans.

ASSISTANT: Hello, how can I help you?

USER: To Minneapolis, MSP reserve me a seat to attend live music concert.

ASSISTANT: OK. Please share me your travelling dates?

USER: I will depart on 11/16 and 11/18 is my arrival date.

ASSISTANT: Kindly assign me your source code?

USER: I wish to fly from San Francisco, SFO.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between my trip.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights with your specifications.

USER: Ok, I will choose other airline. Thank you for quick response.

ASSISTANT: Thank you for reaching us.