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

ASSISTANT: Hello, How can I help you?

USER: I would like to book a flight ticket from Dallas, TX-DFW to attend a robotic workshop in Houston, TX-HOU, can you please help me in booking?

ASSISTANT: Ok, we are here to help you.

USER: Thank you.

ASSISTANT: When would you like me to book a ticket?

USER: I need to reach Houston on 11/25 and I will return within two days that is on 11/27.

ASSISTANT: Ok, do you want any connection in between your journey?

USER: I need a connecting flight in between my journey.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: Thanks for your patience, we did not find any flights on your requirements right now.

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

ASSISTANT: Thank you for opting us.